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elaine has 88 coins in a jar. they are all 5 cent and 10 cent coins. the total value of the coins is $7. how many of each type of coin does elaine have?

Respuesta :

annho650

Answer:

36 nickels, 52 dimes

Step-by-step explanation:

5n + 10*(88-n) = 700

N = nickels

88 = total coins

(88-n) = dimes

-5n = 700 - 880 --> -5n = -180

divide by 5 on both sides

n = 36

88 - 36 = 52

dimes = 52

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