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any ideas how to solve this work/rate problem?

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any ideas how to solve this work/rate problem? [#permalink]

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New post 21 Nov 2017, 10:58
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boat is filling up with water at a constant rate. 8 people can drain the boat in 5 hours, 10 people in 3 hours. How many people are needed to drain the boat in 2.5 hours?
a. 11
b. 12
c. 13
d. 14
e.15

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Posts: 42630

Kudos [?]: 135804 [0], given: 12714

Re: any ideas how to solve this work/rate problem? [#permalink]

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New post 21 Nov 2017, 11:04
cosmonavtik wrote:
boat is filling up with water at a constant rate. 8 people can drain the boat in 5 hours, 10 people in 3 hours. How many people are needed to drain the boat in 2.5 hours?
a. 11
b. 12
c. 13
d. 14
e.15


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Re: any ideas how to solve this work/rate problem?   [#permalink] 21 Nov 2017, 11:04
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