You have 59 total coins for a total of $12.05. You only have quarters and dimes. How many of each coin do you have?

Question

Christine Morrison

Mathematics

7 January, 04:16

You have 59 total coins for a total of $12.05. You only have quarters and dimes. How many of each coin do you have?

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Answers (1)

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Gianna Kerr · Answer 1

Let x = # of quarters let y = # of dimes

0.25x+0.1y=12.05 x+y=59

0.25 (59-y) + 0.1y=12.05 x=59-y

14.75-0.25y+0.1y=12.05 x=59-18

-0.15y=12.05-14.75 x=41

-0.15y=-2.7

y=18

therefore, you have 18 dimes and 41 quarters