Number of results: 1,009
grade 10 math
Chris has $3.85 in dimes and quarters. There are 25 coins in all. How many of each type of coin does he have? If d represents the number of dimes and q represents the number of quarters, what two equations describe the problem?
March 10, 2011 by Rebecca
Charles has 34 coins 1/3 of them are pennies 1/4 is nickles 1/6 is dimes and the rest of them are quarters. Tell how many of each coin Charles found. Draw all coins and label them
March 7, 2013 by MoM
Sally's collection of quarters and dimes contains $32.85. There are 171 coins in all. How many quarters and dimes are in Sally's collection? Can you show me the two equations you got and explain -Thanks
January 12, 2010 by Christina
Sheila brought $1.95 in coins to spend at the bake sale. Her coins were all in dimes and quarters. The number of quarters she had was two less than the number of dimes. How many of each coin did she have?.
November 3, 2009 by Javier
Solving Systems by Substitution Maribel has $1.25 in her pocket. The money is in quarters and dimes. There are a total of 8 coins. How many quarters and dimes does Maribel have in her pocket? I think the equation is 10x+25x=$1.25 and x+x=8 but I'm not sure.
August 27, 2014 by sara
Maths algebra 1
Janella has only quarters dimes and pennies in her pocket there are eight coins in all and their total value is 83 cents how many of each type of coins does janella have?
November 6, 2013 by Raman
Janella has only quarters dimes and pennies in her pocket thee are eight coins in all and their total value is 83 cents how many of each type of coins does Janella have?
November 7, 2013 by Raman
A jar contains 8 pennies, 3 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. Find the expected value of X.
October 4, 2014 by Stephanie
monica keeps a supply of dimes and quarters in her car for highway tolls.A week's supply of toll coins contains 10 more dimes than quarters and totals $11.50. How many quarters does monica spend on highway tolls in one week? F. 26 G. 30 H. 36 I. 40
February 25, 2010 by dee
You have 10 coins..3 quarters,5 dimes, and 2 nickels. a. A coin is selected and then replaced. A second coin is selected and then replaced. A third coin is selected and then replaced. Find the probability that all 3 coins were dimes.
March 12, 2011 by Norma
ok we got this packet that has an answer key and we g0tta show our work of how to get the answer. okayyy... they all seem like really easy problems s0 i think im just dumbbb "a bag has 6 red and 2 white marbles. If two marbles are selected, what is the probability that one is ...
April 24, 2008 by John
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?"
October 15, 2009 by Bob
James wishes to make a deposit. He has these bills: 16 ones, 5 fives, 5 tens, and 3 twenties. He has 4 nickels, 20 dimes, and 16 quarters. James has checks for $66 and $53.75. James wants to receive $50 in cash. What should he enter on the TOTAL line? $
November 7, 2014 by michelle
5th grade math
I need to use quarters, dimes, nickles and pennies to make the following: $1.53 in 12 coins $2.53 in 20 $2.32 in 15 coins $2.00 in 22 $1.45 in 10 coins $1.76 in 16 coins $0.85 in 11 coins $1.01 in 12 coins $1.29 in 15 coins
September 24, 2013 by Kyle
mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had.
January 19, 2014 by Arif
mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had
January 19, 2014 by Arif
Third Grade Math
Gina traveled 450 miles to her grandmother's house in two days. She traveled 50 more miles on Saturday than on Sunday. How many miles did she travel on Saturday? on Sunday? What does 200 + 250 add to? 450 Lauren collected 150 nickels and dimes. She has 70 more nickels than ...
September 24, 2006 by Cindy
mark has a certain number of dimes in his pocket. If the dimes were pennies, he would have $1.08 less than he has now. how many dimes does he have in his pocket?
March 6, 2014 by Anonymous
Zach has two pennies, a nickel, three dimes and two quarters. If he picks two of the coins at random, how many distinct values are possible for the two coins combined?
September 20, 2013 by Anonymous
7th Grade Math 123
Write one or two equations to represent the situation below. Solve the equation(s). Show all your work. A collection of dimes and quarters totals 72 coins. Together the dimes and quarters are equal to $11.70. How many of each coin are in the collection? 2 and 6 tenths? Can you...
November 7, 2006 by Danny
Zachary saved x nickels and y dimes last month. Lily saved x nickels and 2y dimes. Lily saved $2 more than Zachary and the total number of her dimes is 4 times the total number of her nickels. (a) How much coins does Zachary have? (b) How much did Lily save? (c) How much did ...
October 6, 2011 by Anne
Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has, write an expression in terms of n that describes the number of dimes. The algebraic expression is _________ My answer is D + n = 47, am i correct?
October 6, 2014 by Ty
1.The ratio of nickels to dimes to quarters in 3 : 8 : 1. If all the coins were dimes, the amount of money would be the same. Show that there are infinitely many solutions to this problem. 2.A grocer wants to make a mixture of three dried fruits. He decides that the ratio of ...
November 7, 2013 by Summer
Could someone please help me? I'm super confused by these questions and i just keep making a mess all over my paper! 1) A box of coins contains nickels, dimes, and quarters. The total value of the coins is $4.00. If there were 3 times as many nickels, half as many dimes, and 6...
January 11, 2008 by Sara
Math coin riddle need help please
I have 56 coins consisting of nickels and quarters. The total value of the coins is $5.60. How many of each coin do I have? Algebra to the rescue... NN is number of nickles ND is the number of quarters. NN*.05 + ND*.25=$5.60 but NN + ND=56 two equations, two unknowns, solve. ...
August 31, 2005 by Maddy
marcy has a total of 100 dimes and quarters. if the total value of the coins is $14.05, how many quarters does she have? You need two equations to substitute into each other. You need one for the total number of coins, and one for the amount. d=# of dimes q=# of quarters d+q=...
April 26, 2007 by help me
Shannon wishes to make a deposit. She has these bills: 4 ones, 2 fives, 3 tens, and 2 twenties. She has 6 nickels, 10 dimes, and 12 quarters. Shannon has checks for $22.50 and $79.00. Shannon wants to receive $20.00 in cash. What should she enter on the NET DEPOSIT line?
February 6, 2014 by Anonymous
math word problem
chris has twice as many 1 dollar bills as pennies he has twice as many dimes as he has 10 dollar bills he has twice as many pennies as he has dimes how much money does chris have?
August 28, 2009 by april
You have a total of 21 coins, all nickels and dimes. The total value is $1.70. Write and solve a system of equations to find the number of dimes d and the number of nickels n that you have. I already wrote the equations: n+d=21 and 10d+5n=1.70. But I don't know how to solve it..
April 20, 2009 by Angie
Create a linear system to model this situation. Then use substitution to solve the linear system to solve the problem. - Bobbie has been saving dimes & quarters to buy a new toy. She has a total of 28 dimes and quarters, with a value of $4.30. How many of each type of coin ...
June 11, 2013 by trixie
Please help me with the following problems... 1) How many ways can you make a change for a quater using an unlimited source of nickels, dimes, and pennies? 2) How many doubled digit numbers can you make with a least two identical numbers from 2-200. Not including 2 and 200. ...
March 25, 2009 by Anonymous
Use pennies, nickles, dimes, and quarters. Make a combination that is worth one dollar where you have one of some kind of coin, double of another, double that of another, and some number of the last coin.
April 4, 2011 by Anonymous
11th grade Algebra 2
Marciella has a bag that contains 35 nickels and quarters. The total value of these coins is less than $2.50. What is the maximum number of quarters that meets these conditions?
April 7, 2010 by David Nipp
Two coins are taken at random (without replacement) from a bag containing 7 nickels, 5 dimes, and 6 quarters. Let X denote the random variable given by the total value of the two coins. Find E(X). (Round your answer to four decimal places.)
March 5, 2010 by Cecylia
Two coins are taken at random (without replacement) from a bag containing 4 nickels, 8 dimes, and 3 quarters. Let X denote the random variable given by the total value of the two coins. Find E(X). (Round your answer to four decimal places.) E(X) = $...
March 5, 2010 by Cecylia
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 ...
October 10, 2006 by kaylmur
math word problems
lydi sold 4/5 of her candles to raise money for the band. she has 8 candles left. how many candles did lydia start with? a coin purse contains quarters, dimes, and nickes. there are the same number of dimes as nickesl and half as many quarters as dimes. the coins are worth $1....
March 12, 2012 by marko
You have some quarters and some nickels in your pocket in total you have 7 coins and together they are worth 95 cents how many nickels and how many are quarters? I know the equations will have something to do with the 7 couns and they are worth 95 cents all together Is one of ...
January 15, 2015 by M
If Mike has 8 dimes and 6 pennies in his pocket. If he randomly selected one coin and then a second coin without replacing the first, what is the probability that both coins were dimes?
March 26, 2014 by Amy
math- word problems
I tried doing this problem but i just dont get it: A boy has 16 coins consisting of nickles, dimes, and quarters. The number of nickles is 3 less than the number of dimes and the value of the quarters is 55 cents greater than the value of the dimes. How many coins of each kind...
September 24, 2008 by kayla
jordan has 2 quarters, 1 nickel, and 3 dimes. if he took 1 out and then a second one without replacing the first coin, what is the probability that both coins were dimes?
December 5, 2010 by audrey
I'm trying to calculate probablity of dependent and independent events. For example, from 3 nickels, 2 dimes, and 5 quarters, what is the probability of drawing 1 nickel, 1 dime, and 1 quarter in that order without replacement? Or drawing the same in any order with replacement...
December 13, 2007 by Danielle
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 ...
March 22, 2009 by Kathy
HELP HELP I need to work this questions. Six hundred pennies are placed in a row. If every other penny is replaced by a nickel and every third coin us replaced by a quarter, what is the final value of the 600 coins? Take twelve pennies. Replace every other penny with a nickel...
April 18, 2007 by leslie
(1)TOP Electronics is a small business with five employees.The mean(avergae) weekly salary for the five emplyees is $360. If the weekly salaries of four of the employees are $340,$340,$345, and $425, what is the salary if the fifth employee? ___________________________________...
March 11, 2007 by megan
IF U WANT TO MAKE A DOLLAR OUT OF 50 COINS HOW DO YOU DO IT? PLEASE HELP THX first you would want to multiply 50 x 4 and you will get your answer ALL I GET IS 200 I NEED 50 COINS TO MAKE 1 DOLLAR SO WHAT COINS DO I NEED? 45 pennies two nickels two dimes one quarter. THANK YOU ...
October 10, 2006 by kaylmur
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...
February 21, 2009 by Zoe
you have 15 coins, nickels and dimes. d=the number of dimes. write a simplified expression in terms of d for the total amount cents that you have. show work and explain
September 19, 2012 by Anonymous
suppose you have 2 dimes ad 3 quarters in a bag. You shake it so that 2 coins fall out. 1) What is the probability that both coins are quarters? 2) both coins are dimes? 3) both coins are the same? 4)you shake out one of each coin?
March 19, 2014 by Matt
MATH HELP PLEASE
Bill has 30 coins, some nickels some dimes. They equal $2.10. How many nickels are there? What is the equasion used to solve this problem? When I solve it, I get 4.3 nickels, but how can there be .3? Please help me solve I posted the two equations for this about an hour ago. ...
December 17, 2006 by mary
Monica was collecting quarters and nickels in a jar. She kept track of the total value of the coins, as well as, how many coins were actually in the jar. However, she forgot specifically to track how many of each coin there is in the jar. If the total value of all the coins is...
September 21, 2010 by Flor
math !!!! :O
The cost of making money varies form coin to coin: Pennies: 0.8 cents each Nickels: 2.9 cents each Dimes: 1.7 cents each Quarter: 3.7 cents each Half dollars: 7.8 cents each What is the cost of making $5.00 worth of each coin?
March 14, 2011 by Iliana
6th grade math
Gene has less than 12 nickels,dimes,and quarters in his pocket.The probability of pulling out a nickel or a quarter is 3/4.The probabilty of pulling out a dime is 1/4.How many coins does Gene have in his pocket?How many of each does he have?
April 14, 2011 by mike T