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29 January, 04:58

Tim installs 50 square feet of his floor in 45 minutes. At this rate, how long does it

take him to install 495 square feet?

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Answers (2)
  1. 29 January, 05:12
    0
    9 hrs and 10 mins

    Step-by-step explanation:

    We can convert this into a proportion. 50/45 = x/495. Cross-multiply to get 45x = 50*495. Divide both sides by 45 to get x = 50*11 = 550 minutes or 9 hrs and 10 mins
  2. 29 January, 05:16
    0
    Answer: 445.5 minutes

    Step-by-step explanation:

    Hi, to answer this we have to apply a proportion:

    Proportion: square feet / time (minutes)

    Tim installs 50 square feet of his floor in 45 minutes: 50/45

    For 495 square feet: 495/x

    Where x is the time it takes Tim to install 495 square feet of his floor.

    50ft/45min = 495ft/x min

    Solving for x

    x = 495 / (50/45)

    x = 445.5 minutes
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