Question

3. Sam can do a work in 10 days, while John can do it in 20 days. In how many
days will they both together complete it?​

Answer 1

Answer:

7

Step-by-step explanation:

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Answer 2

Answer:

Work done by Sam in 1 day=1/10

Work done by John in 1 day=1/20

Work done, in 1 day, when they work together=1/10+1/20

=3/20

therefore, time taken to complete will be 20/3 i.e 6 2/3 days. (mixed fraction)

Step-by-step explanation:

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