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Word Problem

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Word Problem  [#permalink]

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New post 10 May 2018, 04:51
john takes 5 hours to.complete a job, Bill takes x hours to complete a job, and together they take y hours to complete a job. If Bill is twice as fast as John in completing the job, what is y


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Re: Word Problem  [#permalink]

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New post 10 May 2018, 05:00
Indirectly, the questions means that Bill takes 2.5 hours.

Y x (1/5 + 1/2.5) = 1

Y is 5/3.

Or simply, it's like having 3 John's for the job and the time taken will be one third of time taken by John.

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Re: Word Problem  [#permalink]

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New post 11 May 2018, 10:46
Dhwani13 wrote:
john takes 5 hours to.complete a job, Bill takes x hours to complete a job, and together they take y hours to complete a job. If Bill is twice as fast as John in completing the job, what is y


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Re: Word Problem &nbs [#permalink] 11 May 2018, 10:46
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