Posted by **Sandra** on Monday, July 2, 2012 at 9:58pm.

Marsha has nickels, dimes, and quarters. She has 207 coins total. Marcy has 13 less quarters than nickels. Find the number of each coin if she has a total of $28.

- Math -
**Reiny**, Tuesday, July 3, 2012 at 12:48am
nickels --- x

quarters ---- x-13

dimes --- 207 - (x + x-13) = 220 - 2x

solve for x:

5x + 25(x-13) + 10(220-2x) = 2800

5x + 25x - 325 + 2200 - 20x = 2800

10x = 925

but x should be a whole number,

Unless I made a silly arithmetic error, your data is not consistent.

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