Math

The normal weight (w) in pounds of a male between 60 and 70 inches tall is related to his height (h) in inches and is represented by w=11/2h-220, if a boy weight 145 pounds, how tall is he?

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  1. 11/2 h - 220 = 145
    11/2 h = 365
    ...

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  2. 54

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  3. the height is 54

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  4. Why 54

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  5. Why 54

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  6. the answer is 66.4 inches

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  7. (11/2)(h) x (2/11) = 365 x 2/11
    *cancel 11 and 2
    h = 730/11
    h = 66.4 inches

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  8. it's 66.4 inches

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