Question

A can complete a work in 10 days while B can do it in 15 days if a and b work for 3 days and then be left find the number of days that A will take a complete the remaining work​

Answer 1

Answer:

i think it is 30 because if we multiply 10 X 3 will be 30

Step-by-step explanation:

I think it may bw helpfull for you

Answer 2

Answer:

Step-by-step explanation:

time taken to complete the work:

by A=10 days

by B=15

workdone in one day

by A= 1/10

by B= 1/15

by A and B= 1/10 + 1/15

                  =3/30 + 2/30

                  =5/30= 1/6

work done in 3 days

1/6*3= 1/2

work left for A

1-1/2=1/2

time taken by A to complete the work

=1/2/1/10

=5 days