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8 December, 11:04

P=2l+2w w=7 p=42 what is l

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Answers (2)
  1. 8 December, 11:14
    0
    p=98

    Step-by-step explanation:

    p = 2 (7) + 2 (42)

    p = 14+84

    p = 98

    l = 14
  2. 8 December, 11:19
    0
    l = 14

    Step-by-step explanation:

    Given

    p = 2l + 2w and w = 7, p = 42, substitute values into formula

    42 = 2l + (2 * 7), that is

    42 = 2l + 14 (subtract 14 from both sides)

    28 = 2l (divide both sides by 2)

    14 = l or l = 14
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