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# A glacier surged at the rate of 11/5 feet per hour. How many days does

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Math Expert
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A glacier surged at the rate of 11/5 feet per hour. How many days does  [#permalink]

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27 Sep 2018, 05:30
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A glacier surged at the rate of 11/5 feet per hour. How many days does it take the glacier to surge 1/2 mile? (1 mile = 5,280 feet)

(A) 5
(B) 8
(C) 24
(D) 36
(E) 50

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Re: A glacier surged at the rate of 11/5 feet per hour. How many days does  [#permalink]

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27 Sep 2018, 06:50
Rate = 11/5 * 24 = 11/5 * 24 ft/day

Distance = 1/2 mile = 2,640 ft.

Time = distance/rate = (2,640)/(11/5 * 24) =

(2,640 * 5)/(11 * 24)= (240 * 11 * 5)/(11 * 24)

= 10 * 5 = 50

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Re: A glacier surged at the rate of 11/5 feet per hour. How many days does  [#permalink]

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27 Sep 2018, 07:30
Bunuel wrote:
A glacier surged at the rate of 11/5 feet per hour. How many days does it take the glacier to surge 1/2 mile? (1 mile = 5,280 feet)

(A) 5
(B) 8
(C) 24
(D) 36
(E) 50

Time required = $$\frac{5280}{2}*\frac{5}{11}*\frac{1}{24}$$

Time required = $$50$$ , Answer must be (E)
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Re: A glacier surged at the rate of 11/5 feet per hour. How many days does &nbs [#permalink] 27 Sep 2018, 07:30
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