SOLUTION: 3 people can paint 4 walls in 36 minutes.
How many minutes will it take for 7 people to paint 7 walls? Round to the nearest minute?
Algebra.Com
Question 802845: 3 people can paint 4 walls in 36 minutes.
How many minutes will it take for 7 people to paint 7 walls? Round to the nearest minute?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
7 people paint 7 walls in the same time it takes for
1 person to paint 1 wall and also for
3 people to paint 3 walls
----------------------
given:
3 people paint 4 walls in 36 min
3 people can paint 1 wall in 1/4 that time, or
min
3 people can paint 3 walls in 3 times that time, or
min
7 people paint 7 walls in 27 min also
RELATED QUESTIONS
4 people can paint 7 walls in 30 minutes.
How many minutes will it take for 9 people... (answered by ankor@dixie-net.com)
Five people can paint 7 walls in 33 minutes.
How many minutes will it take for 8 people... (answered by richwmiller)
4 people can paint 3 walls in 46 minutes.
How many minutes will it take for 9 people... (answered by ankor@dixie-net.com)
Six people can paint 4 walls in 41 minutes. How many minutes will it take for 10 people... (answered by srinivas.g)
3 people can paint 5 walls in 41 minutes.
How many minutes will it take for 8 people... (answered by Okeke_Christian,josmiceli)
4 people can paint 3 walls in 36 minutes.
How many minutes will it take for 5 people... (answered by oberobic)
7 people can paint 6 walls in 35 minutes. How many minutes does it take for 9 people to... (answered by ewatrrr)
It takes 40 minutes for 7 people to paint 6 walls.
How many minutes does it take 4... (answered by Theo)
It takes 28 minutes for 3 people to paint 7 walls.
How many minutes does it take 4... (answered by Alan3354)