Question

saurabh can finish a work in 18 hours while vivek can complete the same work in 24 hours.how long will it take them together to complete this work if Saurabh is called away from 2 hours while vivek continues with the work.​

Answer 1

Answer:

........... 11 (3/7) hrs

Step-by-step explanation:

Saurabh 1hour work =1/18

Vivek 1 hour work= 1/24

let the complete the work in x hours

*. sourabh = x/24 & Vivek= x-2/18

then ,. x/24 + x-2/18 =1

3x+4x-8 = 1

°°°°°°°°°°°°°°

72

>>>> 7x-8=72

>>>>> 7x=80

>>>>>>> x= 80/7

>>> x= 11 [3/7] hours

.........hope it's helpful...

Answer 2

Answer:

upper answers is correct it also helps me lot