It would take john 6 hours to paint a room by himself. It would take Tom 18 hours to paint the same room by himself. Of john and

Question

3 years ago

9

tom work together, each at his individual rate, how many hours will it take the to paint the room.

2 answers:

mario62 [17] · Answer 1 · 2022-03-19T14:19:57+03:00

6 0

Answer:

12 hrs

Step-by-step explanation:

6+18 =24

24/2 = 12

Daniel [21] · Answer 2 · 2022-03-19T15:46:26+03:00

3 0

Answer: 4h 30min

Step-by-step explanation: Theoretically, if X= Number of hours required to paint the room,

X(1/6+1/18)=1

X(3/18+1/18)=1

X(4/18)=1

X(2/9)=1

2/9X=1

X=9/2h, or 4 1/2 h