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21 February, 16:45

Jamal works as an electrician's apprentice. He rewired 4 electrical outlets in 1 1/2 hours. If he works at the same pace for 7.5 hours, how many outlets will he rewire?

5 outlets

13 outlets

20 outlets

30 outlets

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Answers (1)
  1. 21 February, 16:52
    0
    This can be solve by first solving the proportionality constant

    Number electic outlets rewired is directly proportional to time spent

    4 = (1 ½) a

    Let be the proportionality constant

    A = 8/3

    O = (8/3) (7.5)

    o = 20 outlets will jamal rewired if he works for 7.5 hrs
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