Question

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take both of them to paint the house together?
1. 2 hours and 24 minutes
2. 3 hours and 12 minutes
3. 3 hours and 44 minutes
4. 4 hours and 10 minutes
5. 4 hours and 33 minutes

Answer 1

Answer:

1) 2hr 24 mins

Step-by-step explanation:

1 hour work of sally=1/4

1 hour work of john =1/6

combined work=1/4+1/6

                          =10/24=5/12

which is equal to 2.4 hours= 2 hours 24 minutes

mark as brainliest bro