SOLUTION: maria has 16 coins in her pocket consisting of nickels dimes and quarters for a total of 2.15. the number of nickels is 8 less than the number of dimes and quarters combined. how m

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Question 1146690: maria has 16 coins in her pocket consisting of nickels dimes and quarters for a total of 2.15. the number of nickels is 8 less than the number of dimes and quarters combined. how many of each kind of coin is in her pocket
Answer by josgarithmetic(39633) About Me  (Show Source):
You can put this solution on YOUR website!
system%28n%2Bd%2Bq=16%2C5n%2B10d%2B25q=215%2Cn=d%2Bq-8%29

Simplify the money equation, and
...

system%28n%2Bd%2Bq=16%2Cn%2B2d%2B5q=43%2Cd%2Bq=n%2B8%29
If you look at E1 and E3 in this last form of the system, you might be able to quickly solve for n.

If you look at the first equation and the third equation in this last form of the system, you might be able to quickly solve for n.
highlight%28n=4%29
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