SOLUTION: How can you divide $1.80 into 27 dimes and nickels?

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Question 1108844: How can you divide $1.80 into 27 dimes and nickels?
Found 2 solutions by bhoopal624, Alan3354:
Answer by bhoopal624(2) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the number of nickels
According to the problem,
27(0.1)+x(0.05)=1.8
0.05x=-0.9
=> x=-18

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How can you divide $1.80 into 27 dimes and nickels?
------------
n + d = 27
5n + 10d = 180 Divide by 5 --> n + 2d = 36
==============
n + 2d = 36
n + d = 27
------------------- Subtract
d = 9
n = 18