leandro272047 leandro272047

04-02-2018
Mathematics

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bill has two dollars in quarters and dimes. the number of quarters is four less than twice the number of dimes find the number of coins each type

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JasonLai JasonLai

04-02-2018

Okay, let's make x the number of dimes. The equation should look like this:
10x + 25(2x-4) = 200
10x + 50x -100 = 200
60x = 300
x = 5
so, 5 dimes and 6 quarters

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