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Gabriel has $0.80 worth of pennies and

nickels. He has a total of 28 pennies and

nickels altogether. Determine the number

of pennies and the number of nickels that

Gabriel has.

Respuesta :

Answer:

nickels=13 and pennies=15

Step-by-step explanation:

0.05n+0.01p=0.80

-0.01(n+p=28)

0.05n+0.01p=0.80

-0.01n-0.01p= -0.28

0.04n=0.52

n=13

p=15

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