SOLUTION: Rachel has $10.80 in dimes and quarters. She has twice as many quarters as dimes. How many dimes and how many quarters does she have?

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Question 995015: Rachel has $10.80 in dimes and quarters. She has twice as many quarters as dimes. How many dimes and how many quarters does she have?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Same problem, different numbers.
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a sum of $5 is made up of 60 coins which are either quarters or nickles: how many are there of each?
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q + n = 60
25q + 5n = 500
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Or:
60 nickels = $3
Each nickel replaced by a Q adds 20 cents.
$5 - $3 = 200 cents
200/20 = 10 quarters