SOLUTION: A vending machine has $41.25 in it. There are 225 coins total and the machine only accepts nickels, dimes , and quarters. There are twice as many dimes as nickels. How many of each
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Question 38305: A vending machine has $41.25 in it. There are 225 coins total and the machine only accepts nickels, dimes , and quarters. There are twice as many dimes as nickels. How many of each coin are in the machine? Answer by Nate(3500) (Show Source):
You can put this solution on YOUR website! A vending machine has $41.25 in it. There are 225 coins total and the machine only accepts nickels, dimes , and quarters. There are twice as many dimes as nickels. How many of each coin are in the machine?
Variables:
d=number of dimes
n=number of nickels
q=number of quarters
Equations:
Combine:
+
=
and
+
=
Combine:
+
=
Combine:
combine:
So there are 60 dimes, 30 nickels, and 135 quarters.
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