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5 November, 03:47

25-foot long board is to be cut into two parts. The longer part is one foot more than twice the shorter part. How long is each part?

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  1. 5 November, 06:35
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    To solve this problem you must apply the following proccedure:

    1. You have that 25-foot long board is to be cut into two parts. Then, the first equation is:

    a+b=25

    2. The longer part is one foot more than twice the shorter part:

    a=1+2b

    3. The system of equation is:

    a+b=25

    a=1+2b

    4. When you solve it, you obtain:

    a=25-b

    25-b=1+2b

    25-1=2b+b

    24/3=b

    b=8 ft

    a=1+2 (8)

    a=17 ft
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