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15 workers can paint 3 fences in 2 hours. Assuming each work
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02 Oct 2017, 22:30
02 Oct 2017, 22:30
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Question Stats:
82% (01:04) correct
17% (01:25) wrong based on 28 sessions
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15 workers can paint 3 fences in 2 hours. Assuming each worker works at the same rate, how long will 5 workers take to paint 6 fences?
(A) 3 hrs
(B) 6 hrs
(C) 7.5 hrs
(D) 9 hrs
(E) 12 hrs
Kudos for correct solution.
(A) 3 hrs
(B) 6 hrs
(C) 7.5 hrs
(D) 9 hrs
(E) 12 hrs
Kudos for correct solution.
Re: 15 workers can paint 3 fences in 2 hours. Assuming each work
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03 Oct 2017, 04:43
03 Oct 2017, 04:43
Using the formula \(items = workers*time*rate\), we get that the rate is \(3 = 15*2*x\), x = 3/30 = 1/10.
Then, if we change number of fences and workers, we get \(6 = 5*x*\frac{1}{10}\), x = 12 hours.
Answer E
Then, if we change number of fences and workers, we get \(6 = 5*x*\frac{1}{10}\), x = 12 hours.
Answer E
gmatclubot
Re: 15 workers can paint 3 fences in 2 hours. Assuming each work [#permalink]
03 Oct 2017, 04:43
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