# math..solve for u again

28,449 results, page 27-
## 8th Grade Algebra Answer Check

Josh and Racquel sold corn dogs and burritos at the math club fundraiser. The corn dogs(c) cost $.35, and the burritos(b) cost $.75. They sold a total of 600 items, and raised $360. a)Write an equation for the total # of items sold. b)Write and equation

*asked by <3Medic+Droid<3 on January 25, 2009* -
## MATH HELP

1.Which ordered pair is the solution to y = 2x + 10? a(2, 2) b.(3, -4) c.(-3, 4) d.(1, 6) 2.Solve the following equation: m – 8 = -14 a.m = -6 b.m = 7 c.m = 26 d.m = -4 Solve the following equation: 4/7 x = -16 A)x = 42 B)x = -28 C)x = 23 D)x = -24 Solve

*asked by STUDENT on October 6, 2016* -
## science

i need to solve this : 1. we should show the chemical structure of oligosaccharide which contains 2 galactoses and 1 saccharose. 2. compare the difference in physical features og dicarboxylic acids and glucose beta chain 3. determine the calorific value of

*asked by nina on March 29, 2011* -
## Algebra 2

Solve each system. x-4y-6z=-34 -7x+5y-7z=-24 z=5x-7y+18 These are my answers below but I know that they are wrong: x=-3894 y=-112852 z=-107,509,144 I have tried to solve this system probably 10 times, and still not getting an answer that checks back into

*asked by Taylor on January 29, 2016* -
## Algebra 2

Approximate to the nearest tenth the positive real zeroes of f(x)=x^2+1. I got .6 Solve over the set of complex numbers. x^4-13x^2+36=0 i got -3,-2,2,3 but i don't know if i even did it right. Solve x^2+4x9=0 by completing the square. I don't even know

*asked by Amanda on February 4, 2008* -
## MATH

1.) solve the equation 2 x - 3 = 15 A. x=6 B. x=9 C. x=24 D. x = 36 2.) Solve the equation r - 4 = 11 --- 3 r = 45 r = 35 r= 33 r = 28 3.) solve the equation 7+ 3 m = 28 m = 18 m = 11 2 divide by 3 m = 9 m = 7 PLEASE HELP MS. SUE

*asked by Priscilla on April 30, 2015* -
## algebra

(1) Is the equation true false or open? 9p + 8 = 10p + 7 A. open;there is a variable ***** B. true;the expressions are all the same for all values of the variiables C. false;the expressions are never the same (12) Which equation is an identity? A. 11 - (2v

*asked by kelseypooh on October 10, 2018* -
## math

(1) Is the equation true false or open? 9p + 8 = 10p + 7 A. open;there is a variable ***** B. true;the expressions are all the same for all values of the variiables C. false;the expressions are never the same (12) Which equation is an identity? A. 11 - (2v

*asked by kelseypooh on October 10, 2018* -
## maths

1x+2y=5 3x+7y=18 x= y= Multiply equation 1 by -3, add to equation 2 (which eliminates x), then solve for y. Use that value in the other equation to solve for x. Post your work if you get stuck AND explain in detail what you don't understand.

*asked by Anonymous on February 6, 2007* -
## Algebra

how to solve this: what is the largest rectangular area that can be enclosed with 400 ft of fencing? What are the dimensions of the rectangle? Could someone write the equation. I know how to solve it without an equation but I want to know the equation.

*asked by Amy on November 7, 2010* -
## Precalc

1. Solve log (4x) = log (2) + log (x-1) the fact that this is x-1 and not + is really messing me up because i keep getting a negative number and that isnt possible 2. Solve: absolut value of(x^2 -4x-4) = 8 thanks so much!!! I have been studying and my

*asked by Rebekah on December 20, 2012* -
## algebra

could someone check these answer please? solve the following proportion for x. x/8=5/3=0 rueben drove 300 miles using 14 gallons of gas, at this rate, how many gallons would he need to drive 210?= 40.3 gallons solve for v; v^2+v-30=0=v=-6,5 thanks

*asked by lee on October 31, 2010* -
## Pre-Calculus

Solve the equation 2x + 5y - 3z = -1. Write the general solution as a matrix equation. [x] [ ] [1] [y]= [ ] X [s] [z] [ ] [t] I'm supposed to fill in that blank in the middle, but I don't understand how to solve this if I'm only given one equation. please

*asked by Ann on December 6, 2013* -
## algebra

Solve the equation using the zero-product property. -9n(5n-5) a. -1/9, 1 b. 0,1***** c. -1/9,-1 d. 0,-1 Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2-6=x a. x=2,3 b. x=-2,3 ***** c. x=2,-3 d. x=-2,-3 How

*asked by frank on May 14, 2018* -
## MATHS

i need a lil help with this If x=2 is a root of the equation 6x^3 - px^2 - 14x + 24=0, find p,hence, solve the equation i got p to be 11 how do i solve the equation? You did it. http://www.jiskha.com/display.cgi?id=1165710846.1165713920

*asked by KIM on December 9, 2006* -
## algebra 1

I'm stuck on this problem. Can you help? -4x-9y=1 -x + 2y =-4 WHat is x and y? Two equations in two unknowns. Here is a quick way to solve them -4x - 9y = 1 4x - 8y = 16 (I got that my multiplying both side so the secind equation that you provided by -4)

*asked by kyle on December 5, 2006* -
## algebra

x+9>2 how do I solve and graph this? The graphing part would be hard to explain. The equation, you solve the same as if the greater than sign (>) was an equal sign. (But don't change it to an equal sign) a+b>c To solve for a: a>b-c Matt I'm stupid

*asked by jean on May 30, 2007* -
## physics

A small ball rolls horizontally off the edge of a tabletop that is 1.2 m high. It strikes the floor at a point 1.52m horizontally away from the edge of the table. a) How long is the ball in the air? b) What is the speed at the instant it leaves the table?

*asked by jenny on October 24, 2006* -
## math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ----------- > or = to 85 4 x is her last

*asked by Jennifer on November 29, 2011* -
## algebra

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The difference between two numbers is 3, and the sum of those two numbers is 21. What are the two

*asked by Cory on July 7, 2012* -
## Calculus

solve (Z^2)+5=-4/Z^2 how do i solve it?? the answer is +2or-2, or, +or -i. but i really don't know how to get this answer.i tried to multiply both side by Z^2, but i think it just made it more comlicated and i didn't get the right answer at the end...can

*asked by Anne on March 12, 2008* -
## Math

Q) 'What are the dimensions of a cylinder that has the same maximum volume as the box (1131.97 cm2), but uses the minimum amount of material to make it?' Here are the notes I have so far: SA=2Pi r^2 + 2 Pi r (1131.97/Pi r^2) Now i need to use derivatives,

*asked by Josh on November 10, 2007* -
## maths geometry

A straight road separates towns A (grid ref 42,45) and B (grid ref 52,40) A village is situated at grid ref (46,57) and a new road is planned from the village to road AB. What is the shortest road possible (1 dp) Please define an origin and a set of axes

*asked by jigna on February 25, 2007* -
## Algebra

I have 3 questions I'm stuck on and would love for someone to explain and show me how to solve them so I can also solve the other one. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75. 3.

*asked by Jess on April 3, 2013* -
## Math

Shandel went to the County Fair this summer and was surprised to see a math game on the midway among the games of skill and chance. Picture of a Midway BarkerIn the game, the barker starts by thinking of a math rule or calculation. The player spins a

*asked by Anonymous on February 22, 2018* -
## algebra

if you have the sign of > or < does this also mean = ???? so confused my problem is -3x+2y=7 x+4y=-7 how do I do this? please help No. The sign < or> does not include equal. On computers we often just do this => for equal or greater than. or this: >=. In

*asked by confused on May 24, 2007* -
## confused calc

dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? (you already posted this, but i still don't get it) dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C c=-1/3 so the equation is y=(2y^3)/3-1/3 then i have to find what y

*asked by david on December 12, 2006* -
## MATH

1. which ratios form a proportion a. 3/15 , 12/55 b. 8/24 , 12/35 c. 5/18 , 25/90 d. 4/11 , 16/25 4. solve the proportion using number sense: 2/8 = x/48 a. 6 b. 12 c. 16 d. 8 5. Solve the proportion using cross products. 18/20 = k/110 a. 99 b. 122 c. 3.3

*asked by Tordy on December 8, 2017* -
## math (college algebra)

Ok I have two questions I have NO CLUE how to complete on my homework. Please help ASAP! (1) Solve the formula for the specified variable r = vx for r (the question is) v = ? a = 1/3f * p for f (the question is) f = ? (2) Solve the forulma for v S = D + vm

*asked by Sam on September 2, 2010* -
## Algebra

7x + 5 = y 3.5x + 20 = y Solve the system of equations. What method did you use to solve the system and why? Show your work. Can someone please explain to me the process of solving the system? That would be nice. Thanks! (=

*asked by Scarlet on May 17, 2016* -
## Math Fractions

Posted by Mary Mac on Friday, May 9, 2008 at 10:01am. I have this fraction: 6 2/9 + 1 3/4 - 3 5/6= Okay First I changed the mixed numbers into improper fractions. I got this: 56/9 + 7/4 + 23/6 Then I thought you have to find the least common denominator,

*asked by Mary Mac on May 9, 2008* -
## Algebra Help

You are going to write a fairy tale! Your story should include all of the standard elements of fairy tales. Begins “Once upon a time … ” Animals can act like humans. Involves magical items or helpers. Ends “ … happily ever after.” Your story

*asked by Dina on January 15, 2015* -
## chemistry

use logic and simple math to determine how long it will take for a sample of potassium- 42 to decay from 8mg to 0.25mg if the half-life of this radioactive isotope is 124 hours

*asked by jay 1 on October 12, 2010* -
## Patterns and rules unit test 7th grade

I go to connection acdeamy and I am in the 7th grade regular math Mrs. Janus I just need some help with this test Find the next three terms of the sequence -2,-12,-72,-432... A. -1,728,-6,912,-27,648

*asked by Kayla Moore on March 31, 2014* -
## 6th grade math

my work sheeet said use each of the symbols add,subtract,multiply,and divide to make thte following math sentence true. 12___ 3___ 7___ 1____ 11=0

*asked by Daysi on September 21, 2009* -
## statistics

Measures of Central Tendency,variability, and postion 12th Grade math class. organize the data 78,67,95,85,84,86,82,75,85,94,91,57,78,77,88,90,91,86,84,82,75,58,73,75. Then do 4 columns of Grades,Deviations,Squares,and Z-Scores

*asked by Lisa on November 30, 2011* -
## Math

Normally, I'm not bad with my math formulas but, in my current lesson I have having some issues. Can somebody please provide me with a (non-complicated) formula for finding the surface area and lateral are for both cylinders and prisms? Any help is much

*asked by Eridan Ampora on April 7, 2017* -
## Math And Science for Young Children

Concepts can be characterized as: A. the building blocks of knowledge. B. thoughts that are incomplete until adulthood. C. ideas that young children do not yet have. D. basic to math but not to science. Is D the correct answer

*asked by Tonya on January 9, 2016* -
## Algebra one, help+ check? :)

So, this is my math homework. [ I scanned it so it would be easier to explain what I'm doing] h t t p://oi54.tinypic(Dotcom)/2wei16e.jpg And, I don't exactly get how to do problem number 1, and I was wondering if someone could assit me with that. Thank

*asked by Allyson on January 12, 2011* -
## science

calculate the following(show steps): volume of a fish tank that is 15cm by 30cm by 10cm? http://www.math.com/tables/geometry/volumes.htm

*asked by jenna on June 21, 2006* -
## Calculus

A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3 and 1 as zeros. Find a formula for g(x). So I got g(x)=(4x^2-16x+12)/(x^2-4) Is this correct Math Mate?

*asked by Leanna on September 6, 2010* -
## algebra 1

v(v-3)= v^2+6 Does any one know if this is in the quadratic form or not The v^2 means v second power No it is not. Please read: http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut20_quadform.htm

*asked by Chels on November 13, 2006* -
## chemistry

Answer the following math questions focusing on significant figures a. 45.3L x 10 mol/L = b. 67.894 g ÷ 2.56 L = c. 45.3m + 12.344m + 1000m – 1.34m = d. 35cm + 8.3m + 75.341 km + 80,000 mm = e. (43.7m + 39.3cm) ÷ 25.332 m/s =

*asked by aira on May 11, 2014* -
## statistics

solve: our health organization is interested in estimating the average value of outstanding accounts receivable. After selecting a sample of 100 accounts, suppose that the mean was $120 and the standard deviation was $40. Use these data to construct a 98%

*asked by Winona on June 6, 2014* -
## Physics

When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s, and you come to rest in 35.0 m. How much time does this take? Assume constant deceleration. What equation do I use to solve this

*asked by Chad on October 4, 2012* -
## chemistry

The Ka of a monoprotic weak acid is 7.25 × 10-3. What is the percent ionization of a 0.167 M solution of this acid? If the concentration is more than 1000 times greater than the Ka, then you can make an assumption that simplifies the algebra needed to

*asked by sara on April 10, 2013* -
## algebra 2

Nonlinear systems Solve the system by elimination. y=x^2+2 -4x-y=10 Solve the system using substitution. y=-3x^2+x-2 y=-5x+3

*asked by jenny on May 9, 2012* -
## Statistics

How do you solve this? 28!/(28-28)!28! * 0.88^28 *0.12^28-28 I need help on how to solve this on a graphing calculator(TI-83 Plus) Can you help me? Please show step by step instructions! Thank you!!!

*asked by Valerie on October 25, 2011* -
## Math

is solve f(x) = 0 for x the same thing as solve f(x) = 0? Would you do the same thing or does the difference in the wording make it a different question?

*asked by Holly on August 15, 2012* -
## calculus

1) Solve for x in terms of k: log3(x) + log3(x+7) = k; 3 is the base 2) e^(x+5) = e^(x) + 6, solve for x. Please help, I have no idea how to do these and I've tried several times!

*asked by Cornelius on October 2, 2010* -
## Algebra 2

Solve. 4a-2≤a+1≤3a+4 4a-2-1≤a+1-1≤3a+4-1 4a-3-3≤a≤3a+3-3 4a/3-6/3≤a≤3a/3 4a/3(1/a)-2≤a≤a(1/a) 4/3-6≤a≤1 I got lost at this part. I'm not sure what to do now, if i am solving it correctly. Solve. 3x

*asked by Anonymous on September 30, 2011* -
## algebra

Help, Can anyone show me how to do the formula to solve these equations? 4x-5y=38 7x-8y=-22 If you can show me the right way to solve, I do not understand how to get the answer.

*asked by James H. on September 18, 2010* -
## Math

17) solve this linear system using the method of substitution. 2y-x=-10 y= -3/2x-1 20) simplify then solve by substitution 2(x-4)+y=6 3x-2(y-3)=13 just need help with these 2.

*asked by Ma names Jeff on February 27, 2016* -
## algebra

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

*asked by Anonymous on November 11, 2009* -
## math

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

*asked by Amanda on November 11, 2009* -
## trig

Can someone please help me solve this equation? Solve the equation in the interval [0°, 360°). csc θ = 1 + cot θ

*asked by Dee on May 3, 2010* -
## math

how to solve (3a squared+3a+3)+(15a squared+2a-9) need the steps on how to solve this I have to show all work

*asked by shawnee on December 12, 2012* -
## algebra

solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y 200-25x=y

*asked by hernan on January 14, 2013* -
## algebra

my question is this how do you solve this equation? x=3y-1 x+2y=9 solve each system of equation by the substitution method.

*asked by mayra on February 11, 2009* -
## algebra 2

Nonlinear homework... Solve the system by elimination. 1)y=x^2+2 -4x-y=10 2) Solve the system using substitution. Y=-3x^2+x-2 Y=-5x+3

*asked by jenny on May 7, 2012* -
## math

I'm trying to solve these equations but it seems I didn't get the correct one. please help if you still can. to solve the equations: 1. 0.4 =32z 2. 8n - 2 = 14 3. 2 (x + 3) = 4 Thanks a lot.

*asked by Nima on September 14, 2013* -
## math

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

*asked by Amanda on November 11, 2009* -
## math,help

How do even solve this one sum of two numbers is 32. their difference is 6. what are the numbers? x-y=6 x+y=32 add the equations... 2x=38 and solve.

*asked by jasmine20 on February 10, 2007* -
## Algebra

I need help learning to solve substitution. I have a problem that says solve the system by substitution -4.5x-2y=-12.5 3.25x-y=-0.75

*asked by Samantha on October 8, 2017* -
## Algebra 1

f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.

*asked by Esther on January 19, 2011* -
## Algebra

Use Cramer's rule to solve the following system of equations. If D=0, use another method to solve the system. x+y=11 x-y=5

*asked by gdlola on March 2, 2012* -
## Algebra 1

f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.

*asked by Esther on January 19, 2011* -
## Math

How do you solve 2y-5x=10 using the dual intercept method? I have to solve for X int and y int on a graph. Please help

*asked by Layla on August 31, 2014* -
## Math 6th Grade

I'm doing this math test and I have a border line A on my grade I need to make sure I don't lower my grade to a B, so any help is appreciated. Thanks! 7. The probability of winning a game is 25%. How many times should you expect to win if you play 20

*asked by Anonymous on May 10, 2018* -
## 8th grade math

dividing fractions....how do i solve this... 4/9 divided by 2/3= or 9/10 divided by 9/10= One thing I do remember is how to divide fractions! 4/9 divided by 2/3 = 4/9 multiplied by 3/2 Then once you've multiplied across, reduce the resulting fraction if

*asked by taya on September 20, 2006* -
## Mathematics Education

1.Does language interfere with learning? 2.How does gender affect mathematics achievement? 3.Does mathematics achievement depend on the school location being either rural or urban? 4.What are the various process errors committed in mensuration? Language

*asked by Mfonobong on August 31, 2006* -
## algebra

erika has received scores of 82, 87, 93, 95, and 90 on math quizzes. What score must Erika get on her next quiz to have an average of 90?

*asked by aniiiii on May 17, 2011* -
## math

Use symbolic Math symbolic representation: 1. The Density of a rock is the ratio of its mass to its volume.

*asked by Kay on September 9, 2010* -
## Math

_______ and _______ are commutative. What are the two basic math operations where the arguments commute? Think arithmetic.

*asked by Kayla on August 27, 2006* -
## math

math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

*asked by Ross on October 3, 2009* -
## Algebra

Using only the number 1,2,3,4, construct a math expression that equals to the number 34. You must use all four numbers in this equation. What is the answers?

*asked by Malayna on September 8, 2010* -
## math

Thank you i think im getting somewhere a however, what about -8 x (-4) = -32 am i correct? Ok is this one correct? Also is there a math expert to whom we will pay a decent hourly wage to tutor me?

*asked by zavier on January 28, 2012* -
## Math

You estimate there is an 80% chance you will get an A on your math final, and a 75% chance you will get an A for your semester grade. What is the probability that both will happen?

*asked by ValeeRo on May 7, 2013* -
## MATH

IF YOU HAD TO GET A 21.1 GRADEPOINT OUT OF 215 QUSTIONS HOW MAY WOULD YOU HAVE TO GET RIGHT English: 75 Math: 60 Reading: 40 Science: 40 Total: 215

*asked by Debra on September 12, 2008* -
## punjab technical university

A student recorded her scores on weekly math quizzes that were marked out of a possible 10 points .her scores were as follows

*asked by sarita mishra on December 15, 2015* -
## 4 grade math

i need help on this problem. make 36/9 into a false number sentence? please! help me to understand this math problem thank you for your kindness.

*asked by samie on November 3, 2009* -
## ghost in city hall

Hello all. Does anyone have a scanned copy of "ghost in city hall" worksheet? It is a math worksheet. Thank you, Sandy

*asked by sandy on April 26, 2008* -
## MATH

Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:

*asked by Anonymous on January 15, 2013* -
## Math

You have 17fourths of pizza. Show with math or pictures how many pizza you have. 4 pizzas with 1 slice left. 4

*asked by Alison on August 27, 2014* -
## algebra

i need help with my math problem: x varies directly as the square of s and inversely as t. how does x change when s is doubled? when both x and t are doubled?

*asked by mindy on May 26, 2008* -
## MATH

IF YOU HAD TO GET A 21.1 GRADEPOINT OUT OF 215 QUSTIONS HOW MANY WOULD YOU HAVE TO GET RIGHT English: 75 Math: 60 Reading: 40 Science: 40 Total: 215

*asked by Debra on September 12, 2008* -
## Math grade 9

46=2-8w-3w I tried adding -8w to both sides and i got the answer wrong... my math text book says the answer should be -4 but i don't know how to get it

*asked by I need help please! on November 13, 2016* -
## Algebra

Your math test scores are 68 78 90 and 91 what is the lowest score you can iron on the next test and still achieve an average of at least 85

*asked by Marco on September 8, 2015* -
## math

PWEESE HELP. There are 18 boys and 12 girls in math class. What is the ratio of girls to total students? 18:30 12:30 30:12 30:18

*asked by DAB on April 28, 2018* -
## Math

A math class has 26 women and 12 men. find the ratio of men to total students

*asked by christopher on April 13, 2010* -
## algebra

a math class has 26 women and 12 men. Find the ratio of men to total studens.

*asked by christopher on April 13, 2010* -
## Math

A math quiz is made up of 5 multiple choice questions, each with 4 possible answers. How many possible sets of answers are there?

*asked by Emmie on May 2, 2016* -
## Weather

what is 34f in celcius C= 5/9 (F-32) 32F is the freezing point of water, so 34F ought to be close to zero in C. Do the math.

*asked by Jaylen on January 13, 2007* -
## Maths

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

*asked by Jackie on April 3, 2014* -
## To "bad@math" (and other names)

Please post under one name. Please do not post to demand that someone go back and answer your previous questions. A math volunteer will get to them when he/she can. Thanks.

*asked by Writeacher on September 13, 2007* -
## math

Can you please give me a few different math examples of what you meant when you said - You do not add powers with different exponents, but not powers of different bases. Thank you so much.

*asked by jo on October 10, 2009* -
## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

*asked by cheyenne on April 10, 2013* -
## Finite Math Help Please!!!

Finite Math Help Please!!! Can someone help me ? I am confused about this Problem? Median Quartile 1 (Q1) Quartile 3 (Q3) for boxplot 9 10 11 12 13 14 15 16 17 18 19 20 Data

*asked by fred on October 25, 2016* -
## Math

Math huron scored 84% on her last history test. Of she got 21 answers correct , how many question did the test have?

*asked by Jo on April 15, 2012* -
## Math

Math huron scored 84% on her last history test. Of she got 21 answers correct , how many question did the test have?

*asked by Jo on April 15, 2012*