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A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses
water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full
container of water?

  • math -

    Bring everything to feet as a unit, so the cartons are

    .5 * .5 * 1 cu. ft. = 0.25 cu.ft.

    For the tank, it's pi r^2 h again:

    pi * 16 * 8

    = 128 pi cu. ft.

    So how many containers will that fill?

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