John paints 3 rooms in 7 hours. At the same pace how long would it take him to paint 10 rooms?

Question

this is a math problem

Answer 1

7 hours per 3 rooms means 7/3 hours per single room. Multiplying by ten, we get 70/3 hours for 10 rooms.

 

Answer: 23 1/3 hrs for ten rooms.

Answer 2

Take 10 and divide it by 3, then multiply that by 7.