SOLUTION: You have 50 coins, which total $6.95. They are all dimes and quarters. How many dimes and how many quarters do you have?

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Question 1134727: You have 50 coins, which total $6.95. They are all dimes and quarters. How many dimes and how many quarters do you have?
Found 2 solutions by Alan3354, MathLover1:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
You have 50 coins, which total $6.95. They are all dimes and quarters. How many dimes and how many quarters do you have?
================
d + q = 50
10d + 25q = 695

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

You have coins, which total $. They are all dimes and quarters.
let dimes be and quarters
...solve or dimes
........eq.1
total $,
dime is $
quarter is $
then we have
.....substitute dime from eq.1
.........solve for





go to ........eq.1, substitute


so, you have dimes and quarters

check:





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