SOLUTION: PLEASE If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours? . I know we should use rate here..but i don't know how :(

Question 417633: PLEASE
If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours?
.
I know we should use rate here..but i don't know how :(

Found 2 solutions by stanbon, ankor@dixie-net.com:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If 5 men to paint five flagpoles in 5 hours, how many men are needed to paint the 15 flagpoles in 15 hours?
-----
# of men and hours are inversely related
# of men # of flagpoles are directly related
---
men = k*poles/hrs
----
Solve for "k" using "5 men paint five flagpoles in 5 hours"
---
5 = k*5/5
k = 5
----
Equation:
# of men = 5*poles/hrs
----
Solve "how many men are needed to paint the 15 flagpoles in 15 hours?".
# of men = 5*15/15
----
# of men = 5
====================
Cheers,
Stan H.

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If 5 men to paint five flagpoles in 5 hours,
:
Find the no. of man-hrs per flag pole
= 5 man-hrs per flag pole
:
how many men are needed to paint the 15 flagpoles in 15 hours?
Let m = no. of men required to accomplish this
15m = 5(15)
15m = 75
m =
m = 5 men
RELATED QUESTIONS
If 5 men can paint 26 houses within 3 days, how many houses can 15 men paint in 150... (answered by richwmiller)
10 men can finish the paint on wall in 15 days. How many men are needed to finish the... (answered by stanbon)
Three men can paint a wall in 2 hours. How many men would be needed to paint 3 identical... (answered by ikleyn)
if two men can paint 2 rooms in two hours. how long will i take one man to paint one... (answered by richwmiller)
6 men painted an area of 90m in 10 hours how many men will be needed to paint an area of... (answered by ewatrrr)
if it takes six men to paint a house in 21 days, how many men will be needed to paint the (answered by josgarithmetic)
9 men took 20 hours to paint a house. If all the men work at the same rate, how many... (answered by Edwin McCravy)
It takes 3 men 8 hours to paint an entire house. How long will it take if 5 men are to do (answered by josgarithmetic)
"10men can paint 30house in 60 days and 5 men can paint 15 house in how many... (answered by Edwin McCravy)