SOLUTION: It takes 25 minutes for 8 people to paint 5 walls.
How many minutes does it take 5 people to paint 7 walls?
Algebra.Com
Question 939654: It takes 25 minutes for 8 people to paint 5 walls.
How many minutes does it take 5 people to paint 7 walls?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
It takes 25 minutes for 8 people to paint 5 walls.
How many minutes does it take 5 people to paint 7 walls?
------
time is directly related to # of walls and inversely related to # of people
----
t = k*w/p
----
Solve for "k" using "It takes 25 min for 8 people to paint 5 walls".
25 = k*5/8
k = 40
------
Equation for this problem
t = 40w/p
----
Your Problem::
"How many minutes does it take 5 people to paint 7 walls?"
t = 40*7/5
t = 8*7
time = 56 minutes
--------------------------
Cheers,
Stan H.
------------
RELATED QUESTIONS
it takes 63 minutes for 4 people to paint 7 walls
How many does it take for 5 people... (answered by Alan3354)
It takes 54 minutes for 10 people to paint 9 walls. How many minutes does it take 5... (answered by josgarithmetic,MathTherapy)
how many minutes does it take for 19 people to paint 19 walls if it takes 51 min for 5... (answered by ewatrrr)
If it takes 72 minutes for 7 people to paint 8 walls, how long will it take 9 people to... (answered by ankor@dixie-net.com)
It takes 24 minutes for 7 people to paint 7 walls.
How many minutes does it take 11... (answered by richwmiller)
It takes 49 minutes for 4 people to paint 7 walls.
How many minutes does it take 9... (answered by ankor@dixie-net.com,josgarithmetic,josmiceli)
It takes 40 minutes for 7 people to paint 6 walls.
How many minutes does it take 4... (answered by Theo)
It takes 35 minutes for 10 people to paint 7 walls.
How many minutes does it take 6... (answered by Theo)
It takes 28 minutes for 3 people to paint 7 walls.
How many minutes does it take 4... (answered by Alan3354)