Nicole has 15 nickels and dimes. If the value of her coins is 1.20, how many of each coin does she have?
1 answer:
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4y^2 + 2 - 2 = 38 - 2 (subtract both side by 2)
4y^2 = 36
Divide by 4:
y^2 = 9
y =
y = 3
4y^2 + 2 - 2 = 38 - 2 (subtract both side by 2)
4y^2 = 36
Divide by 4:
y^2 = 9
y =
y = 3