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December 21, 2014

December 21, 2014

Posted by **Blakey** on Wednesday, June 12, 2013 at 8:27pm.

- Math 8th Grade -
**Reiny**, Wednesday, June 12, 2013 at 8:55pm5N + 25Q = 785

N + 5Q = 157

N = 157 - 5Q

Of course you cannot have a unique solution, since you don't have enough information to form a second equation.

But...

you said he has a bunch of nickels and quarters, so he has at least one of each

so let Q be a number form 1 to 25 to get different combinations

Q N ------ combination ----------- value

1 152 ---- 1 quarter + 152 nickels = $7.85

2 147 -----2 quarters + 147 nickels = $7.85

...

25 32 ----- 25 quarters + 32 nickels = $7.85

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