Question

Meera paints walls for a living. She
sometimes has Ashok to work with her.
Meera takes 2 days to paint a 10 ft by 10
ft wall. Ashok takes 3 days to do the
same job. Meera has to pay Ashok for
his work on a per day basis, so she'd
rather do without him. Meera has
recently got a contract to paint the walls
and ceiling of a room of dimensions 10
ft by 15 ft and a height of 10 ft. She had
promised to do the job within 9 days.
For how many days does she need to
employ Ashok?
ea​

Answer 1

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