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15 February, 14:36

Doris uses 8square pieces of fabric to make one scarf. Each side of a square piece of fabric is 1/4 foot in length. Doris can buy large pieces of fabric that are 1/4 foot long and 2 feet wide. How many large pieces of fabric should she buy to make 7 scarves?

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  1. 15 February, 14:58
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    Scarf area is 8 small fabric area

    8 x 0.25 x 0.25 = 0.5.

    7 scarf area would be

    7 x 0.5 = 3.5

    new fabric (large) area is

    2 x 0.25 = 0.5

    7 scarf area divide by new fabric area

    3.5 divide by 0.5 = 7 large pieces
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