Question

If 12 men and 15 women do a work in 10 days then 7 men and 10 women do the same work in how many days

Answer 1

Step-by-step explanation:

12 men can do the job in 10 days. That means one

man can do 1/(12*10) or 1/120 of the job per day.

15 women can do the job in 10 days. So one

woman can do 1/(15*10) or 1/150 of the job per

day.

7 men and 10 women will do 7/120 + 10/150 of the

job per day. 7/120=35/600 and 10/150=40/600. So

35/600 + 40/600 or 75/600 or 1/8 of the work will

be done each day.

Answer 2

Hope it will help. Sorry for the photo quality.