3. Rita and Neha can do certain work
individually in 20 hours and 25 hours,
respectively. How much time will it take, if
they work together to complete the work?
Answer should be 11 1/9 hr please explain in steps
Answers
Answered by
49
Answer: 100/9 , 11 1/9
Step-by-step explanation:
Ritu-20
Neha-25
LCM of 20,25=100
so,
total work = 100
ritu work in 1 hour=100/20= 5
neha work in 1 hour=100/25= 4
both work together
work in one hour = 9
time taken to complete = 100/9 = 11 1/9
Answered by
5
answer will be0.923 min
Similar questions