Math, asked by Ramhluosiem4847, 1 year ago

Sam is twice as efficient as tom and takes 120 days less than tom to complete a job. If both sam and tom worked together,how many days would they need to complete the same job?

Answers

Answered by Fatimakincsem
1

Answer:

80 days

Step-by-step explanation:

As Sam is twice as efficient as Tom

Ratio of times taken by Sam and Tom = 1 : 2

If difference of time is 120 days, Same takes 2*120 = 240days

Tom takes = 120 days

work done in one day = 1/240 + 1/120 = 3/240 = 1/80

Take reciprocal

so it will take 80 days to complete the job if both works.

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