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5 January, 04:59

Peter measured the width of one cardboard strip as 3 1/4 ft. A second cardboard strip measured 3 2/3 ft in width. Estimate the combined width of the cardboard strips. a. 12 ft b. 6 ft c. 5 ft d. 7 ft

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  1. 5 January, 05:17
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    The combined width would be adding the two widths together.

    3 1/4 + 3 2/3

    Fist convert each number into an improper fraction, find a common denominator, add them together then convert back to a proper fraction.

    3 1/4 = 13/4

    3 2/3 = 11/3

    13/4 + 11/3

    Common denominator of 3 and 4 = 12

    13/4 = 39/12

    11/3 = 44/12

    39/12 + 44/12 = 83/12

    Now convert back to a proper fraction:

    83/12 = 6 11/12, which can be rounded up to 7 feet.

    The answer is D.
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