SOLUTION: It takes 30 people 60 working days to build a small bridge. How many people are needed if the bridge is to be built in 40 working days, assuming that they all work at the same rat
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: It takes 30 people 60 working days to build a small bridge. How many people are needed if the bridge is to be built in 40 working days, assuming that they all work at the same rat
Log On
Question 828539: It takes 30 people 60 working days to build a small bridge. How many people are needed if the bridge is to be built in 40 working days, assuming that they all work at the same rate. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! It takes 30 people 60 working days to build a small bridge. How many people are needed if the bridge is to be built in 40 working days, assuming that they all work at the same
Days and # of people are inderectly related.
p = k/d
30 = k/60
k = 180
Equation
p= 180/40
p = 4.5 people
(