SOLUTION: Tom has a collection of 40 coins. He has 5 more dimes than pennies and twice as many dimes as nickels. Write a system of equations and find the number of each coin.
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Question 1111457: Tom has a collection of 40 coins. He has 5 more dimes than pennies and twice as many dimes as nickels. Write a system of equations and find the number of each coin.
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52814) (Show Source): You can put this solution on YOUR website!
.
What if I want to solve the problem using only ONE equation, and not the system ?
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N o t i c e: The correct way to solve it is not using a system.
It is using a SINGLE equation.
But you can make your life as complicated as you want: it is YOUR RIGHT.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
p, n, d
Pennies, nickels, dimes
System:
Single equation in ONE variable:
----------use this to find n and p.
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