Solve using rational equations:

James, Kelly, Hector, and Kyla are painting a house. James could paint the house in 9 hours, Kelly could paint it in 7 hours, Hector could paint it in 6 hours, and Kyla could paint it in 10 hours. How long will it take them to paint it together?

Question

Fiona Manning

1 February, 12:02

+4

Answers (2)

Know the Answer?

Chloe Ochoa · Answer 1

Chloe Ochoa 1 February, 14:41

0

10+6+7+9=32

32 hours for painting

Anabelle Chung · Answer 2

(1/9+1/7+1/6+1/10) * x=1

x=315/164 hour

Answer: It takes 315/164 hours.

Solve using rational equations:James, Kelly, Hector, and Kyla are painting a house. James could paint the house in 9 hours, Kelly could paint it in 7 hours, Hector could paint it in 6 hours, and Kyla could paint it in 10 hours. How long will it take them to paint it together?