SOLUTION: There are 73 coins in a piggy bank. The number of dimes is thrice the number of pennies. There are seventeen less nickels then pennies. How many of each coin are there? PLEASE HELP

Question 1060298: There are 73 coins in a piggy bank. The number of dimes is thrice the number of pennies. There are seventeen less nickels then pennies. How many of each coin are there? PLEASE HELP
Answer by ikleyn(52925) (Show Source): You can put this solution on YOUR website!
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There are 73 coins in a piggy bank. The number of dimes is thrice the number of pennies. There are seventeen less nickels then pennies.
How many of each coin are there? PLEASE HELP
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Let "P" be the number of pennies.

Then the number of dimes is 3P, while the number of nickels is P-17.

In all there are 73 coins:

P + 3P + (P-17) = 73.

Simplify and solve this linear equation for a single unknown P.

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