SOLUTION: A register has 2 times the number of five cent coins
than of quarters, 15 dimes more than quarters, for a total of $3.75.
Determine how many five cent coins, dimes and quarters
Algebra.Com
Question 988082: A register has 2 times the number of five cent coins
than of quarters, 15 dimes more than quarters, for a total of $3.75.
Determine how many five cent coins, dimes and quarters are there.
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
n = number of nickels
d = number of dimes
q = number of quarters
n = 2q
d = q + 15
5n + 10d + 25q = 375
5(2q) + 10(q + 15) + 25q = 375
10q + 10q + 150 + 25q = 375
45q = 225
q = 5
----> 10 nickels, 20 dimes, 5 quarters
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