Worker W produces n units in 5 hours. Workers V and W, working independently but at the same time, produce n units in 2 hours. How would it take V alone to produce n units?

Worker W produces n units in 5 hours. Workers V and W, working independently but at the same time, produce n units in 2 hours. How would it take V alone to produce n units?

A 1 hr 25 min

B 2 hr 40 min

C 2 hr 20 min

D None of the above

Solution

Correct Answer: Option D