Answers

2015-04-21T17:49:31+05:30

b will take 30 days.... hope it was helpful..... though kvnmurthy has given better answer
0
2015-04-21T17:55:18+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let B complete the work in X days.
productivity of B =  1/X  amount per day.
productivity of A = 3 / 2X   amount per day.

Productivity of A and B together is  5 / 2X  amount per day.

   So A and B together can finish the work in  2X / 5 days
    
     2 X / 5 = 12 days
             X = 30 days.

2 3 2