SOLUTION: Janet has $8.55 in nickels, dimes, and quarters. She has 7 more dimes than nickels and quarters combined. How many of each coin does she have? 3 years ago

Question 330057: Janet has $8.55 in nickels, dimes, and quarters. She has 7 more dimes than nickels and quarters combined. How many of each coin does she have?
3 years ago
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Substituting eq. 2 into eq. 1,

There are multiple solutions because you have 1 equation with 2 unknowns.
1 nickels, 22 quarters, (19+4+7=)30 dimes
8 nickels,19 quarters, 34 dimes
15 nickels,16 quarters, 38 dimes
22 nickels,13 quarters, 42 dimes
29 nickels,10 quarters, 46 dimes
36 nickels,7 quarters, 50 dimes
43 nickels,4 quarters, 54 dimes
50 nickels,1 quarters, 58 dimes

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