kaylaanderson32691 kaylaanderson32691

19-09-2018
Mathematics

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A person has 20 coins consisting of dimes and quarters. If the total amount of money is $3.35, how many quarters are there

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sqdancefan sqdancefan

19-09-2018

Let q represent the number of quarters. Then 20-q is the number of dimes. The money total is

... 25q +10(20-q) = 335

... 15q +200 = 335

... 15q = 135

... q = 135/15 = 9

The person has 9 quarters.

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