Posted by **Josh** on Thursday, August 26, 2010 at 5:49pm.

Dave has quarters, dimes and nickles in his bank. He has 3 more dimes than quarters and 6 less nickles than quarters. There are 63 total coins. How many are quarters?

- Math -
**Jen**, Thursday, August 26, 2010 at 8:11pm
I used guess and check until I got it. Sometimes you have to take the time to do this.

q 17, d 20, n 11 = 48

q 20, d 23, n 14 = 57

q 23, d 26, n 17 = 66

q 22, d 25, n 16 = 63

The last one works. 22 quarters, 25 dimes, and 16 nickels.

- Math -
**Henry**, Thursday, August 26, 2010 at 9:38pm
x Qtrs

(x + 3) dimes

(x - 6) nickles

x + (x + 3) + (x - 6) = 63

3x - 3 = 63

x = 22 Qtrs.

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