Wednesday

April 16, 2014

April 16, 2014

Number of results: 125,298

**Math**

number of nickels ---- x number of quarters -- x+4 number of dimes = 37-(x+x+4) = 33 - 2x 5x + 25(x+4) + 10(33-2x) = 550 solve for x let me know what you get
*Friday, September 27, 2013 at 10:35am by Reiny*

**algebra**

John sister has $4.95 in dimes and quarters in her piggy bank. There are 3 fewer dimes than quarters. How many quarters and dimes are in the piggy bank?
*Sunday, April 22, 2012 at 1:27am by Kris*

**Math**

You can see I'm a girl, and obviously, can't you work it out yourself? The Answer: 12 Quarters 7 dimes, 3 nickels. I know "Bob" said it, but I'm just making a point. Oh yeah, Anika, you're right. It's from McMillan. lol
*Tuesday, December 7, 2010 at 9:26pm by Spale*

**Math**

a piggy bank contains $8.80 in quarters, dimes and nickles. there are two more than five times as many nickles as quarters, and four less than twice as many dimes as quarters. how may of each coin are there
*Tuesday, November 16, 2010 at 7:34pm by Grace*

**math**

How many ways can you get $1.05 using only nickels, dimes, and quarters
*Monday, January 4, 2010 at 7:25pm by Kaito*

**math**

how many ways can you make 75 cents with quarters, dimes, and nickels
*Wednesday, June 9, 2010 at 10:11pm by crystal*

**algebra**

How many coins When i dumped the change out of my pocket, I noticed that i could pay the exact price for any item from one cent up to and through one dollar without receiving any change. What is the fewest number of coins I could have had in my pocket if i had pennies, nickels...
*Monday, May 7, 2012 at 6:40pm by linda*

**Algebra**

Alycia's pggy bank has dimes and quarters in it. The numbers of dimes is four less than three times the number of quarters. If the total value of the coins is $7.85, how many dimes are in the piggy bank?
*Thursday, February 17, 2011 at 4:54pm by Scott*

**Ratio's**

How would I do this? Do I need to get them into the sames type of money like pennies? I am lost! 7 dimes to 3 quaters?? they were probably asking for the ratio of 7 dimes to 3 quarters. which is 70 cents:75 cents which is 14:15 as a ration of "value"
*Tuesday, May 22, 2007 at 10:47am by Christi*

**Math Qs. Check!!!!!!**

Jake puts pennies into a jar each morning and lets his brother take haft of the pennies out each morning. Jake put 10 pennies into the empty jar on Monday morning. On Tuesday he put in 15 pennies. One Wednesday he put in 12 pennies. How many pennies are in the jar on Thursday ...
*Tuesday, September 4, 2012 at 5:20pm by Laruen *

**Stats**

You are asked to draw THREE coins from a jar one at a time without replacement. The jar contains FIVE dimes, TEN pennies, and EIGHT quarters. (a) What is the probability that all three coins are pennies?
*Tuesday, July 10, 2012 at 6:34pm by Anonymous*

**math**

let the number of coins he has be x x/2 + x/4 + 3 = x times 8 4x + 2x + 24 = 8x 2x = 24 x = 12 12/2 = 6 pennies 12/4 = 3 quarters + 3 dimes = 12 coins (A better question would have been: How much money does Bobby have with his coins? )
*Sunday, February 5, 2012 at 1:38pm by Reiny*

**Algebra**

This is a word problem I am supposed to solve with systems. I am having trouble setting it up if anyone could help me. A coin bank contains only dimes and nickels. The bank contains 46 coins. If 5 dimes and 2 nickels were removed the total value of the coins would be $3.40. ...
*Thursday, November 13, 2008 at 6:15pm by emm*

**math**

If "each has the same number of coins and Bill has the same number of dimes as Rosa has nickels", then obviously Bill will have to have the same number of nickels as Rosa has dimes Bill: number of dimes ---x , number of nickels ---y Roas: number of dimes --y , number of ...
*Monday, March 14, 2011 at 5:09pm by Reiny*

**math**

original number of nickels : x original number of dimes : y 5x + 10y = 620 or x + 2y = 124 (#1) new case: number of nickels : 2y number of dimes : x-37 5(x-37) + 10(2y) = 885 5x + 20y = 1070 x + 4y = 214 (#2) subtract: #2 - #1 2y = 90 y = 45 sub into #1 x + 2(45) = 124 x = 34 ...
*Tuesday, June 21, 2011 at 3:23pm by Reiny*

**math**

No, no formula. Start with 50 pennies then 45 pennies, and a nickel then 40 pennies, and a dime then 40 pennies, and two nickels and so on.
*Wednesday, October 31, 2007 at 4:04pm by bobpursley*

**Math**

Diane has $1.95 in dimes and nickels. She has a total of 25 coins. How many of each kind does she have? nickels dimes
*Sunday, January 4, 2009 at 3:21pm by Anonymous*

**Math**

I just need to know the formula to solve this problem. I will solve it myself. Problem: A woman has $1.70 in dimes and nickels. She has 5 more dimes than nickels. How many nickels does she have?
*Sunday, January 17, 2010 at 2:19pm by Jacqueline*

**math**

How many ways can you have $1.05, with only using dimes, nickels, and quarters?
*Sunday, February 6, 2011 at 10:09pm by Brianna*

**math help please**

Helen has$1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.
*Tuesday, October 18, 2011 at 4:42pm by Tiffany *

**MATh please help**

Helen has$1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.
*Tuesday, October 18, 2011 at 6:29pm by Tiffany *

**math**

I get $1.19 3quarters, 4 dimes, 4 pennies or 9 dimes, 1 quarter, 4 pennies
*Monday, September 26, 2011 at 9:22pm by Steve*

** MATH**

I have 5 nickels 6 pennies and 8 dimes in a box. i select one at random. What is the probability that it was a penny or a dime ?
*Monday, May 27, 2013 at 12:00am by Dap F*

**5th grade math**

so, what ideas do you have? $1.45 in 10: 3 quarters makes .75, so we need .70 in 7 coins. That means 3 quarters and 7 dimes try the others.
*Tuesday, September 24, 2013 at 10:48pm by Steve*

**Math**

If I have 27 coins (dimes and nickels) that total $1.95. How many are dimes and how many are nickels
*Monday, February 8, 2010 at 7:42pm by Pam*

**Algebra**

let the number of nickels, dimes and quarters be N, D, and Q but D= 3N+2 5N + 10(3N+2) + 25Q = 1450 25Q + 35N = 1430 5Q + 7N = 286 we want integer solutions for N and Q by some trial and error I got Q=25 and N = 23, so D = 71 check: 25*25 + 71*10 + 23*5 = 1450 My question to ...
*Wednesday, December 10, 2008 at 10:15pm by Reiny*

**math**

A box contains 140 dimes and nickels. The total value is $11.15. How many dimes and nickels are there? Need the help finding the formula.
*Saturday, September 27, 2008 at 10:56pm by Larry*

**8th grade math**

.10*(1/2)x+.25x = 9.00 x(.10*(1/2)+.25)= 9.00 x= 9.00 ___(.10*(1/2)+.25) x = 30 Since you times the dimes by 1/2, you take half of x. So Dimes = 15, and Quarters = 30 Check, .10(15)+ .25(30) = 9.00
*Tuesday, December 7, 2010 at 7:39pm by Justin*

**algebra**

a bag contains only nickels and dimes. there are exactly 18 coins in the bag. the amount of money in the bag is $1.25. let x represent the number of nickels in the bag. let y represent the number of dimes in the bag. 1. write a system of equations that correctly models this ...
*Thursday, March 1, 2012 at 4:27pm by kelly*

**probability**

A jar is filled with nickels and pennies. The value of the nickels is $S and the value of the pennies is $r. If you picked a hundred coins, what is your expected outcome?
*Sunday, October 30, 2011 at 1:31pm by Ashley*

**math**

Dealing with NUMBER of coins: nickels ---- x dimes ----- 2x quarters ---- 2x - 4 dealing with VALUE of our coins: 5x + 10(2x) + 25(2x-4) = 575 solve for x and back-substitute
*Wednesday, May 1, 2013 at 9:49pm by Reiny*

**algebra**

Your last four money questions are the same type If will do one, then you try the others. let the number of nickels be x then the number of quarters is 16-x 5x + 25(16-x) = 220 5x + 400 - 25x = 220 -20x = -180 x = 9 so 9 nickels and 7 quarters check: 9 nickels and 7 quarters...
*Thursday, October 28, 2010 at 4:45pm by Reiny*

**math**

In vanessa's coin bank there are 4 times as many quaters as nickels, 2 fewer dimes than nickels, and 15 pennies. the total amount in the bank is $5.80. How many of each coin are in the bank? assign a variable to unknown and write an equation to find unknown.
*Tuesday, July 24, 2012 at 9:57pm by Niki*

**math**

how many combination of coins make 2.00 when given 2 quarters, 5 dimes and 18 nickels?
*Saturday, September 15, 2012 at 3:35pm by Sam*

**math**

If pam as 100 dimes and nickels,that equals $14.05. How many quarters does she have?
*Monday, April 22, 2013 at 9:42am by Isaias*

**alg readiness**

Or, your could do, Assuming you know that a dollar is 10 dimes, etc. 1.00 = 10 dimes 4.00 = 4 * 10 dimes = 40 dimes 0.60 cents = 6 dimes 4.60 = 40 dimes + 6 dimes 4.60 = ? dimes
*Wednesday, February 23, 2011 at 8:46pm by Helper*

**Math**

Sam has a total of 200 dimes and quarters. If the total value of the coins is $28.10, how many quarters does he have?
*Wednesday, August 22, 2012 at 12:33pm by Leon*

**pre-algebra**

X Nickels. zx Dimes. (x+2) Qtrs. 5x + 10*2x + 25(x+2) = 250 Cents. 5x + 20x +25x + 50 = 250. 50x = 250 - 50 = 200. X = 4 Nickels. 2X = 2*4 = 8 Dimes. x+2 = 4+2 = 6 Qtrs.
*Wednesday, March 21, 2012 at 9:21pm by Henry*

**MATH WHATS THE VALUE**

10 DOLLARS 7 FIFTY-CENT PIECES 10 QUARTERS 14 DIMES
*Wednesday, September 28, 2011 at 1:03am by vianey*

**Algebra**

let the total be x 7 + x/4 + (5/9)x = x times 36 252 + 9x + 20x = 36x 252 = 7x x = 36 You have 36 coins check: (1/4)(36) = 9 nickels (5/9)(36) = 20 pennies dimes = 7 total = 7+9+20 = 36
*Friday, March 29, 2013 at 7:23pm by Reiny*

**Math**

Toni has a piggy bank filled with nickels, dimes and quarters. She has a total of $3.00. If she has fewer than 12 coins, What combination of coins could she have in her bank? How many possibilities can you discover?"
*Thursday, October 15, 2009 at 10:09pm by Bob*

**math**

sue had $5.65 worth of quarters and dimes. she had 3 more quarters than she had dimes. how many quarters does she have? how many dimes does she have?
*Wednesday, January 30, 2013 at 7:59pm by Shelly*

**math**

Looks like you might have a typo there. Total number of coins = 35 Number of dimes = x Number of nickels nickels = 35 - x Value of 1 dime = 0.10 Value of 1 nickel = 0.05 0.10x + 0.05(35 - x) = 3.30 0.10x + 1.75 - .05x = 3.30 0.05x = 1.55 x = 31 dimes 35 - 31 = 4 nickels
*Thursday, June 14, 2012 at 9:24am by Anonymosu*

**Algebra (incomplete)**

It would help if you proofread your questions before you posted them. How many fewer? Ratio or number needed. It might be 30 dimes and 2 nickels, 29 dimes and 4 nickels….
*Wednesday, January 30, 2013 at 2:58pm by PsyDAG*

**Algebra**

Let x = quarters Let 2x = dimes Equation: .25(x) + .10(2x) = 1.35 Solve for x. Remember to determine the number of dimes for your answer.
*Tuesday, October 30, 2012 at 9:07pm by MathGuru*

**Math**

Andrew has 12 coins, all dimes and nickels, and they add up to $1.00. How many nickels does he have?
*Tuesday, April 9, 2013 at 6:07pm by Dave*

**Math**

A man has 2 pennies, 3 nickels, 1 dime and 2 quarters. How many different sums of money can he make using one or more of these 8 coins?
*Thursday, May 5, 2011 at 12:03pm by Greg*

**math**

How many different ways can u make change for 75 cents using quarters, nickels and dimes?
*Monday, January 25, 2010 at 1:02pm by K stewart*

**Math**

Factoring the tens is a technique for mental multiplication which relies on the fact that 10*n, for any real number n, is easy to compute. 6*2 = 12 is a memory value. 6*20 = 6*2*10 = 12*10 = 120 60*20 = 6*10*2*10 = 12*10*10 = 1200
*Tuesday, January 4, 2011 at 6:59pm by Marth*

**math**

messed up on last question. heres the actual one. Aretha has $0.85 in nickels and dimes. She has 2 more nickels than dimes. How many nickels and imes does she have? Need a formula for this problem. These word problems are so hard. Help please! I may have several more other ...
*Saturday, September 27, 2008 at 10:46pm by Larry*

**7th grade**

Jasmine's quarters total $2.80 more than her nickels, of which she has half as many as she has dimes, which total 80 cents more than her quarters.
*Tuesday, October 14, 2008 at 9:42pm by Jacob*

**Algebra**

Samuel's bank has dimes and quarters in it. The number of dimes is four less than three times the number of quarters. If the total value of the coins is $7.85, how many dimes are in the piggy bank?
*Tuesday, December 14, 2010 at 8:44pm by Scott*

**Math**

Raul says he has equal numbers of dimes and quarters and four times as many nickles as dimes. The value of his nickles and dimes is 50 cents more than the value of his quarters. How many of each kind of coin does he have?
*Thursday, May 9, 2013 at 9:41pm by Annon*

**8th grade math **

He had dimes and quarters ... He has 8 more quarters than dimes equalling 5.50..., how do u solve ..
*Monday, January 7, 2013 at 11:20pm by Kill*

**alegbra 1**

gary has 100 quarters and dimes. If the total value of the coins is $15.70, how many quarters and dimes do you have?
*Friday, March 18, 2011 at 12:32am by jwow*

**Math**

John has 11 more quarters than dimes. He has a total of $7.65. How many quarters and dimes does he have?
*Friday, December 7, 2012 at 9:00pm by Sammy*

**math**

Gary has $1.56 in change in his pocket. if there is a total of 19 coins, how may quarters, dimes, nickeland pennies does her have?
*Monday, February 3, 2014 at 3:20pm by raquel*

**algebra**

X nickels. (X+9) dimes. (X+9)+21 = (X+30) qtrs. 5x + 10(x+9) + 25(x+30) = 1000 cents. 40x + 840 = 1000, 40x = 1000 - 840 = 160, X = 4 Nickels. X+9 = 13 Dimes. X+30 = 34 Qtrs. Sorry, but I don't know what V.E.S.T. means.
*Wednesday, July 20, 2011 at 6:27pm by Henry*

**6th grade math**

We are learning probability and can you please check my answer. Question: Enrique has 3 dimes, 2 quarters, and 5 nickels in his pocket. He takes one coin from his pocket at random. What is the probability that the coin is either a dime or a nickel? My answer is 8:10 which ...
*Sunday, March 22, 2009 at 3:44pm by Kathy*

**College Gen. Math**

X Qtrs. 6X Dimes. (X+6) Nickels. 25*x + 10*6X + 5*(X+6) = 570. 25x + 60x + 5x+30 = 570 90x = 570-30 = 540 X = 6 Quarters. Amount = 6 * $.25 = $1.50.
*Monday, March 25, 2013 at 12:06pm by Henry *

**math**

Ms.Rathman has lots of nickels, dimes, and quarters. in how many ways can he make change for 50 cents?
*Saturday, July 11, 2009 at 1:28pm by jeury*

**math**

Tashana has 16 coins that total to $1.85. She has only nickels, dimes and quarters. How many of each coin could she have?
*Sunday, February 17, 2013 at 10:44pm by r. anthony*

**math**

Brent has #3.35 in quarters and dimes. He has 23 coins in all. How many quarters and dimes does he have? Write a system of equations to solve
*Monday, February 11, 2013 at 6:03pm by Brenna*

**math**

Shaun collects coins. He has 24 quarters and 32 pennies in a jar. What is the ratio of quarters to pennies in the jar?
*Tuesday, February 14, 2012 at 3:15pm by dawit*

**math**

How about 9 dimes and 10 pennies
*Thursday, February 23, 2012 at 7:32pm by Steve*

**math**

Leonard has 17 quarters and dimes coins.He has 8 quarters. how many dimes do he have
*Wednesday, August 21, 2013 at 10:47pm by zman*

**math**

i have 8 coins in my piggy bank. I have twice as many dimes as I have quarters. I have twice as many pennies as I have dimes. I have less than 95 cents altogether. How many of each coin do I have?
*Wednesday, October 17, 2012 at 7:42pm by david*

**math**

Bill has 7 dimes and 4 nickels Rosa has 7 nickels and 4 dimes
*Monday, March 14, 2011 at 5:09pm by Sean*

**Math**

This one you should be able to figure in your head by trial and error. If she has three dimes, how many nickels must she have? What about the pennies?
*Saturday, September 27, 2008 at 9:48pm by Ms. Sue*

**PROBABILITY**

there are 4 dimes, 4 nickels, and 2 quarters. In how many possible ways can the selection be made so that the value of the coins is at least 25 cents?
*Wednesday, September 21, 2011 at 7:15am by Anonymous*

**pre calc**

N = number of nickles D = number of dimes = N+4 Q = number of quarters = 25-N-D = 25-N-(N+4) = 21-(2N) Add the coins to get $3.20 (N*$0.05) + (D*$0.10) + (Q*$0.25) = $3.20 Expressing D and Q in terms of N: (N*$0.05) + ((N+4)*$0.10) + (21-2N)*$0.25=$3.20 Solve for N. Then plug ...
*Friday, September 26, 2008 at 10:27pm by Quidditch*

**5th grade math**

Not quite. 2 quarters = $0.50 1 dime = $0.10 5 nickels = $0.25 That's a total of $0.85 = 85/100 = 17/20
*Sunday, December 15, 2013 at 9:33pm by Ms. Sue*

**math**

Do you mean to convert 435 to base 10? In base 10, we have the right most digit to represent 0 to 9, the second (from right) to represent 10 (=10²), the rhidr to represent 100 (=10³)and so on. The same goes with base 5, the right-most digit stands for 0 to 4 (1 less ...
*Sunday, May 15, 2011 at 1:40pm by MathMate*

**math**

this is similar to the question I answered on the question after this: pretend nickels=x dimes=y x+y=21 *total number of dimes and nickels is 21 .05x+.1y=$1.65 *the value of x is .5 and the value of y is .1 so when you multiply it by the number of x and y you get $1.65 now use...
*Saturday, April 20, 2013 at 5:54pm by DW*

**Algebra II (first question)**

let D, N and Q represent the number of dimes, nickels and quarters respectively. then 10D + 5N + 25Q = 400 and 10(3N) + 5(N/2) + 25(Q+6) = 550 there has to be more information given to continue with this question, e.g perhaps you made a typo and the first part included the ...
*Friday, January 11, 2008 at 3:14am by Reiny*

**Algebra I**

Hi, I would like someone to explain to me the process to get to the answer of these questions. (The answers are in the back of the book, but I don't understand how to get them myself): QUESTION ONE Warren has 40 coins (all nickels, dimes, and quarters) worth $4.05. He has 7 ...
*Friday, November 12, 2010 at 11:25am by A*

**algebra**

a purse contains 26 coins, some of which are dimes and the rest are nickels. Altogether, the coins are worth more than $2.10. At least how many dimes are in the purse?
*Sunday, September 25, 2011 at 4:45pm by dan*

**math**

Since you only have dimes and pennies, you would have 17 dimes and 6 pennies
*Monday, January 23, 2012 at 4:46pm by Reiny*

**Word Problem**

ed has 3.85 in nickels and dimes. the nummber of nickels exceeds two times the number of dimes by 1. find the number he has of each kind.
*Sunday, June 27, 2010 at 11:55pm by Anonymous*

**6th grade math**

maria has 8 pennies, 7 nickels, 7 dimes, and 7 quaters. how can she divide this amount into 3 groups of equal values? what coins would be in each group?
*Monday, September 12, 2011 at 9:32pm by LDJ11*

**Math**

Your whole first sentence is not clear. Do you have 4 times as many nickels AS dimes ? What is 50 cents more than the value of his quarters ?
*Thursday, May 9, 2013 at 10:13am by Reiny*

**Math**

There are 9 coins in a piggy bank in terms of dimes and nickels and the value of the dimes is 15 cents more than the value of the nickels. Find out how many of each coin there is.
*Friday, December 14, 2012 at 5:01pm by Anonymous*

**algebra 2**

Marshall has $1.25 in dimes, d, and nickels, n, in his pocket. Which equation could be solved to find the possible combinations of dimes and nickels Marshall has?
*Sunday, October 27, 2013 at 8:15pm by hannah*

**Math**

Annie has quarters and dimes in her bank. There are 8 less than 4 times as many dimes as quarters. There is $6.35 in her bank. How many dimes are in her bank?
*Thursday, August 28, 2008 at 8:35pm by Corey*

**math**

How many different ways can you make change using 25-cents coin using dimes, nickels and pennies?
*Wednesday, September 22, 2010 at 4:33pm by Matt*

**math**

My mom said I could have all of the nickels and dimes in her wallet. It totals $1.35. How many nickels and dimes do I have?
*Friday, July 26, 2013 at 2:06pm by Arpan*

**math**

My mom said I could have all of the nickels and dimes in her wallet. It totals $1.35. How many nickels and dimes do I have?
*Friday, August 2, 2013 at 9:20pm by Arpan*

**Math**

If you have 10 pennies, isn't 5 of those pennies equal to 1/2 of them. 5/10 Divide the numerator and denominator by 5. 5/10 = 1/2
*Monday, May 2, 2011 at 6:31pm by Ms. Sue*

**Math**

How would you go about solving these problems using a chart to help? I tried them, but for some reason I keep getting them wrong (I checked the answers in the back of my book, which does not give an explanation as to how to solve). 1. Thirty students bought pennants for the ...
*Thursday, October 16, 2008 at 6:21pm by Shaina*

**Math 8th Grade**

5N + 25Q = 785 N + 5Q = 157 N = 157 - 5Q Of course you cannot have a unique solution, since you don't have enough information to form a second equation. But... you said he has a bunch of nickels and quarters, so he has at least one of each so let Q be a number form 1 to 25 to ...
*Wednesday, June 12, 2013 at 8:27pm by Reiny*

**algebra**

sarah has dimes and nickels which total $1.65. the number of nickels she has is 3 less than the number of dimes. how many of each does she have?
*Saturday, October 16, 2010 at 7:16pm by bro*

**math**

sarah has dimes and nickels which total $1.65. the number of nickels she has is 3 less than the number of dimes. how many of each does she have?
*Saturday, October 16, 2010 at 7:42pm by ryan*

**algebra**

sarah has dimes and nickels which total $1.65. the number of nickels she has is 3 less than the number of dimes. how many of each does she have?
*Sunday, October 17, 2010 at 9:46am by smith*

**MATH HELP!**

I HAVE 19 COINS TO MAKE A DOLLAR. THE COINS ARE 9 DIMES AND 10 PENNIES. THE NEXT PROBLEM SAYS USE HALF AS MANY DIMES AS PENNIES STILL MAKING A DOLLAR WITH 19 COINS. SOMEONE PLEASE EXPLAIN BECAUSE I REALLY DONT UNDERSTAND!!!!! THX PLEASE JUST EXPLAIN WHAT IT MEANS I DONT HAVE ...
*Tuesday, October 10, 2006 at 9:29pm by kaylmur*

**math**

Gary has 10 coins in his pocket. 2 quarters 5 dimes 3 nickels without looking, Gary pulls 1 coin from his pocket and puts it on a table. Then, he pulls one more coin from his pocket. What is the probability that the first coin is a dime and the second coin is a nickle?
*Sunday, March 31, 2013 at 12:31am by sheryl*

**algebra**

Solve mentally: Start with 6 dimes and 1 nickel. The difference is $0.55. To get $4.95 as the difference, we have to multiply by the factor $4.95/0.55=9 So there are 54 dimes and 9 nickels. Solve by algebra: N=number of nickels D=6N=number of dimes 0.10D-0.05N=4.95 0.10(6N)-0....
*Sunday, April 22, 2012 at 1:27am by MathMate*

**Math**

1. If dollars are included (as in Canada), $1.45=1 dollar + 5 nickels + 2 dimes If dollars are excluded, $1.45=5 quarters + 2 nickels + 1 dime Try to figure out the probability from these results. 1. Let N=number of candies of each kind. N=22.75/(0.35+0.30)=35 So how many ...
*Tuesday, April 3, 2012 at 8:43pm by MathMate*

**algebra**

nickels --- n dimes ---- d n+d = 12 5n + 10d = 100 or n + 2d = 20 subtract the two equation, easy from there
*Tuesday, April 27, 2010 at 10:16pm by Reiny*

**Math Help**

8. a. 9. b. 10. Density=2.5*10^7People/ 2.6*10^5m^2= 0.96*10^2 = 9.6*10^1 People/m^2. Density=96People/m^2*2.56*10^6m^2/1mi^2= 2.5*10^8People/mi^2. 11. b. New York = 1.9*10^7 = 19.*10^6. 12. b. 15. (2 6/7)/(2/14) = (20/7)/(1/7) = 20/7 * 7/1 = 20/1 = 20. NOTE: 2/14 = 1/7.
*Friday, September 14, 2012 at 5:41pm by Henry*

**math**

Three coins are selected from 10 coins: 4 dimes, 4 nickels, and 2 quarters. In how many possible ways can the selection be made so that the value of the coins is at least 25 cents? I know that the total outcomes equals 120, but how do I find how many of these have the value of...
*Saturday, February 21, 2009 at 9:08pm by Zoe*

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