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March 26, 2017

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Mary wants to make curtains for the three windows in her living room.For each pair of curtains,she needs material measuring 6ft by 8ft.Altogether how many square yards of material does she need?

  • geometry - ,

    First change feet to yards.

    3 feet = 1 yard

    6 feet = 2 yards
    8 feet = 2 2/3 yards

    2 * 8/3 = 16/3 = 5 1/3 yards for each window

    Each window needs 1 pair of curtains.

    5 1/3 * 2 * 3 = ?

  • geometry - ,

    is it 84

  • geometry - ,

    or is it 30 1/3

  • geometry - ,

    6 * 5 1/3 = 6 * 16/3 = 96/3 = 32 square yards

  • geometry - ,

    so its 32 square yards

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