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Stephanie spent half her weekly allowance at the movies. To earn more money, her parents let her clean the gutters for $4.00. What is her weekly allowance if she end with $13.00?

Respuesta :

Answer: $18

Step-by-step explanation:

If weekly allowance is x

Half of it is x/2

Remaining half plus $4 is $13

x/2 + 4 = 13

Subtract by 4 both sides

x/2+4-4 = 13 - 4

x/2 = 9

Multiply both sides by 2

(x/2)*2 = 9*2

x = 18

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