Math
posted by Frank .
A city park employee collected 600 cents in nickels, dimes, and quarters at the bottom of the wishing well. There were 10 nickels, and a combined total of 25 dimes and quarters. How many dimes and quarters were at the bottom of the well?

Math 
MathMate
For information to nonNorth American readers, the following coins are worth:
dime = 10 cents
nickel = 5 cents
quarter = 25 cents.
600 cents = 10 nickels and 25 dimes and quarters.
Let D=number of dimes
10(5)+10(D)+25(25D)=600
Isolate D:
15D=60062550=75
=>
D=75/(15)=5
So number of dimes = 5
number of quarters = 255=20
number of nickels = 10 (given)
Check:
5(10)+20(25)+10(5)
=50+500+50
=600 ✓
Respond to this Question
Similar Questions

math
Sal keeps quarters, nickels, and dimes in his change jar. He has a total of 52 coins. He has three more quarters than dimes and five fewer nickels than dimes. How many dimes does Sal have? 
Algebra (Mrs.Sue) thank you :)
Sal keeps quarters,nickels, and dimes in a jar. He has a total of 52 coins. He has three more quarters than dimes and five fewer nickels than dimes. How many dimes does sal have? 
math
A charity organization is collecting change to raise monay. They have collected twice as many dimes as quarters, 22 more nickels than dimes, and 3 times as many pennies as nickels. a) define a variable for the number of quarters collected. … 
math
A charity organization is collecting change to raise monay. They have collected twice as many dimes as quarters, 22 more nickels than dimes, and 3 times as many pennies as nickels. a) define a variable for the number of quarters collected. … 
MATH HELP
A charity organization is collecting change to raise monay. They have collected twice as many dimes as quarters, 22 more nickels than dimes, and 3 times as many pennies as nickels. a) define a variable for the number of quarters collected. … 
mathematics
In a collection of nickels, dimes and quarters, there are twice as many dimes as nickels, and 4 fewer quarters than dimes. The total value of the coins is $5.75. How many quarters are there in the collection ? 
Math
Ruthie has 10 coins, all either nickels, dimes, or quarters. She has N nickels, D dimes, and Q quarters, where N, D, and Q are all different, and are each at least 1. Amazingly, she would have the same amount of money if she had Q … 
math
A city park employee collected 600 cents in nickels, dimes and quarters at the bottom of a wishing well. There were 10 nickels and a combined total of 25 dimes and quarters. How many dimes and quarters were at the bottom of the well? 
math
Sarah has a collection of nickels, dimes, and quarters worth $9.25. She has 10 more dimes than nickels and twice as many quarters as dimes. How many coins of each kind does she have? 
College Algebra
Mukul has$1.60 in nickels, dimes, and quarters. He has nine more dimes than quarters and six more nickels than quarters. How many of each coin are in his pocket. d=# dimes n=# nickels q= # quarters d+n+q=1.60 d+9=q n+6=q 0.1d+0.05n+0.25q=1.60