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18 August, 21:54

Fred spent half of his allowance going to the movies. He washed the family car and earns 7 dollars. What is his weekly allowance if he ended with $15 dollars?

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  1. 18 August, 22:45
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    15=0.5x+7

    0.5x=12

    X=24

    His weekly allowance is $24
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