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15 December, 02:15

If it takes 5lb of flour to make 3 loaves of bread, how much flour to is needed to make 7 loaves of bread?

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  1. 15 December, 02:29
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    5 / 3 = x / 7 ... 5 lbs flour to 3 loaves of bread = x lbs to 7 loaves

    cross multiply

    (3) (x) = (5) (7)

    3x = 35

    x = 35/3

    x = 11 2/3 lbs of flour are needed for 7 loaves
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