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22 September, 12:13

The third grade classroom

Has a perimeter of 130 feet. If it is25 feet wide, how many feet long is the classroom?

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  1. 22 September, 12:34
    0
    length = 40 ft

    Step-by-step explanation:

    Formula for Perimeter is

    P = 2 (l+b)

    Here P = 130 ft Given

    Width = 25 feet Given

    We are asked to find l

    Putting those values in the formula

    130=2 (l+25)

    dividing both sides by 2

    65=l+25

    subtracting 25 from each side

    l=40

    Hence the classroom is 25 ft long
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