SOLUTION: 6 people working 5 hours per day take 2 days to plant 500 shrubs. How many days would it take 4 people working 6 hours per day to plant 800 shrubs?

Question 479114: 6 people working 5 hours per day take 2 days to plant 500 shrubs. How many days would it take 4 people working 6 hours per day to plant 800 shrubs?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
6 people working 5 hours per day take 2 days to plant 500 shrubs.
Find the no. of man-hrs required to plant 500 shrubs
6 * 5 * 2 = 60 man hrs
then
= 12 man-hrs to plant 100 shrubs
:
How many days would it take 4 people working 6 hours per day to plant 800 shrubs?
Find no. of man-hrs to plant 800 shrubs
8 * 12 = 96 man-hrs to plant 800 shrubs
:
let d = no. of days to plant 800 shrubs
4 * 6 * d = 96
24d = 96
d =
d = 4 days to plant 800 shrubs with 4 men working 6 hrs a day
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