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30 August, 14:59

A triangular sail has a perimeter of 57 ft. Side a is 3 ft shorter than twice side b and side c is 4 ft longer than side b. Find the length of each side.

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  1. 30 August, 15:17
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    a = 15 2/3

    b = 18 2/3

    c = 22 2/3

    Step-by-step explanation:

    b = a + 3

    c = b + 4 = a + 7

    a + b + c = a + (a + 3) + (a + 7) = 3a + 10 = 57

    3a = 47

    a = 15 2/3

    b = 18 2/3

    c = 22 2/3
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