SOLUTION: It takes 3 people 4 days to build a garage.
A) How long does it take one person to build the garage?
B)How long does it take four people to build the garage?
C)How many people
Algebra ->
Average
-> SOLUTION: It takes 3 people 4 days to build a garage.
A) How long does it take one person to build the garage?
B)How long does it take four people to build the garage?
C)How many people
Log On
Question 1205910: It takes 3 people 4 days to build a garage.
A) How long does it take one person to build the garage?
B)How long does it take four people to build the garage?
C)How many people are needed to build the garage in 2 days? Found 3 solutions by ikleyn, josgarithmetic, greenestamps:Answer by ikleyn(52778) (Show Source):
You can put this solution on YOUR website! .
It takes 3 people 4 days to build a garage.
A) How long does it take one person to build the garage?
B)How long does it take four people to build the garage?
C)How many people are needed to build the garage in 2 days?
~~~~~~~~~~~~~~~~~~~
The entire job is 3*4 = 12 man-days.
From here
(a) one person will complete this job in 12:1 = 12 days;
(b) four persons will complete this job in 12:4 = 3 days;
(c) to make this job in 2 days, 12:2 = 6 persons are needed.
That's all.
-------------------
To see many other similar (and different) problems, solved by the same method, look into the lesson
- Rate of work problems
in this site.
It was written specially for you, to make your horizon WIDER.
Consider this lesson as your textbook, handbook, guide, tutorials and (free of charge) home teacher.
Be trained in solving rate of work problems.
Come again to this forum soon to learn something new ( ! )
(