SOLUTION: johnny got $1.12 in pennies and nickels from his mom. He got twice as many pennies as nickels. How many pennies and nickels did johnny get?

Question 700501: johnny got $1.12 in pennies and nickels from his mom. He got twice as many pennies as nickels. How many pennies and nickels did johnny get?
Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
Let P = number of pennies
Let N = number of nickels
Equation 1:
Equation 2:
------------------------
Substitute 2N into equation 1 for P.
Equation 1:

Simplify

Combine like terms

Divide both sides by 0.07

Now plug 16 into equation 2 for N
Equation 2:

Johnny has 32 pennies and 16 nickels.
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