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Jose has 43 quarters and nickels in his piggy bank. If his change is worth $7.75,
how many of each type of coin does he have?

Respuesta :

clarch19

Answer:

15 nickels

28 quarters

Step-by-step explanation:

system of equations:

q + n = 43

.25q + .05n = 7.75

q = 43-n   Use Substitution Method:

.25(43-n) + .05n = 7.75

10.75 - .25n + .05n = 7.75

-20.n = -3

n = 15

q = 43-15 or 28

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