SOLUTION: A coin collection consists of nickels and quarters and is $3.60 total. If the number of nickels is 7 times the number of quarters, how many of each coin does she have?

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Question 926187: A coin collection consists of nickels and quarters and is $3.60 total. If the number of nickels is 7 times the number of quarters, how many of each coin does she have?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
N=7Q
.
.
.
0.05N%2B0.25Q=3.60
N%2B5Q=72
.
.
Substitute from above,
7Q%2B5Q=72
12Q=72
Q=6
Then,
N=7%286%29
N=42