Question

11. Bob does 2/7 of a work in 1 hour. How long will
he take to do the remaining work?​

Answer 1

Step-by-step explanation:

bob can do 2/7 work in hr = 1

bob can do 1 work in hr = 1×7/2

bob can do 1 work in hr = 7/2

remaining work = 1-2/7

= 5/7

bob can do 5/7work in hr = 7/2×5/7

bob can do 5/7work in hr = 5/2

bob can do 5/7work in hr = 2½

#666

Answer 2

Step-by-step explanation:

ans is 3 hour 30 minutes

in the easiest way