A aluminum bar 3 feet long weighs 12 pounds. What is the weight of a similar bar that is 3 feet 4 inches long?

Question

A aluminum bar 3 feet long weighs 12 pounds. What is the weight of a similar bar that is 3 feet 4 inches long?

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Sapo 7 months 2021-07-22T15:32:06+00:00 1 Answers 11 views 0

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    2021-07-22T15:34:02+00:00

    Answer:

    13 1/3 pounds.

    Step-by-step explanation:

    3 feet = 36 inches

    3 feet 4 inches = 36 + 4 = 40 inches

    By proportion the weight of the larger  bar = 12 * 40/36

    = 12 * 10/9

    = 120/9

    = 13 1/3 pounds.

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