Question

If one pipe can fill a tank in a 30 minutes, and another can fill the same tank in 60 minutes, how long will it take for the two pipes to fill the tank together?

F) 1 hours
G) 1 and 1/2 hours
H) 1/2 hour
J) 1/3 hour
K) 5/6 hour

Answer 1

Answer: 1 and 1/12 hours (G)

Step-by-step explanation:

60 mins = 1 hour

30 mins = 1/2 hour

1 + 1/2 = 1 1/2 hours