leandro272047 leandro272047

04-02-2018
Mathematics

contestada

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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