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19 April, 01:16

It takes Jeremy 6 hours to paint a room. If it takes 4 hours for Jeremy and Marcus to paint the room together, how long does it take Marcus if he paints the room alone?

A) 5 hours

B) 8 hours

C) 10 hours

D) 12 hours

E) 14 hours

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Answers (1)
  1. 19 April, 01:26
    0
    12 D. Is the answer

    Step-by-step explanation:

    The equation we will use is

    1

    6

    +

    1

    x

    =

    1

    4

    . Solve the equation by multiplying each term by the LCM of the denominator, 12x. The equation is now 2x + 12 = 3x. We solve and find x = 12. It will Marcus 12 hours to paint the room alone.
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