Question

A do one work in 10 days and B do same work in 15 days .find in how much days both do the one work .​

Answer 1

Step-by-step explanation:

Go through the photo attached

Answer 2

Answer:

6 days

Step-by-step explanation:

(a) one day = x/10

(b) one day = x/15

where x is total work

(a) + (b)= x/10 + x/15 = 5x/30 = x/6

no.of days for (a and b) = y

this imply y × x/6= x (total work)

this imply y = 6 days