if 4 people can do a work in 40 minutes then 8 people can do the same work in ________ minutes: - IQ786

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if 4 people can do a work in 40 minutes then 8 people can do the same work in ________ minutes:

if 4 people can do a work in 40 minutes then 8 people can do the same work in ________ minutes:

20

40

60

80

Explanation