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January 30, 2015

January 30, 2015

Posted by **mary** on Saturday, February 26, 2011 at 3:22pm.

- math -
**Ryan**, Saturday, February 26, 2011 at 3:32pmq+d=15

.25q+.10d=2.70

d=15-q

.25q+.10(15-q)=2.70

.25q+1.50-.10q=2.70

.25q-.10q=1.20

.15q=1.20

q=8

q+d=15

8+d=15

d=15-8

d=7

d stands for dimes

q stands for quarters

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