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Mayra has $0.85 in nickels and dimes. The number of dimes is 4 less than twice the number of nickels. Find the number of nickels.

Respuesta :

Saleh2004A

Answer :

the number of nickels is 5

step by step explanation :

nickels = 0.05 x

dimes = 0.10 y

y = 2x - 4

0.05 x + 0.20 x - 0.4 = 0.85

0.25 x = 1.25

x = 5

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