# College Algebra

Mukul h!@#\$%^&1.60 in nickels, dimes, and quarters. He has nine more dimes than quarters and six more nickels than quarters. How many of each coin are in his pocket.
d=# dimes
n=# nickels
q= # quarters

d+n+q=1.60
d+9=q
n+6=q
0.1d+0.05n+0.25q=1.60

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3. 👁 52
1. 10 d + 5 n + 25 q = 160

d = q + 9

n = q + 6

substituting
... 10(q + 9) + 5(q + 6) + 25 q = 160

solve for q,
then substitute back to find d and n

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posted by Scott
2. Hey, your questions are really all the same. Read one of our replies carefully and you should be able to do them all.

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posted by Anonymous

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