SOLUTION: You have a jar of pennies and dimes. You want to choose exactly 52 coins that are worth exactly $3.40 How many of each coin do you need?

Question 835431: You have a jar of pennies and dimes. You want to choose exactly 52 coins that are worth exactly $3.40 How many of each coin do you need?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let be the number of pennies and be the number of dimes.
1.
Also,

2.
Subtract eq.1 from eq. 2,

Then use either equation to solve for P.

.
.
.
20 pennies and 32 dimes.
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