Question

working 8 hours in a day, Anu can copy a book In 18 day. how much many hours in a day should she work so as to finish the work in 12 days?​

Answer 1

Answer:

18÷8=2.25 ( Unitory method)

12days×2.25=27hrs

Ans = 27 hrs

Answer 2

Answer:

12 hours in a day

Step-by-step explanation:

Anu can copy a book =18 days

Working hours in a day=8 hours

=18x8

=144 hours

Anu worked 144 hours in 18 days.

So she have to also work 144 hours in 12 days.

Is 144 a multiple of 12?

Yes, when we multiply 12 x 12 it is 144.

So she have to work 12 hours in a day to complete a book in 12 days.