SOLUTION: 1. X takes 2 hours to pack 200 boxes of oranges, and Y takes 3 hours to pack 150 boxes of oranges. How long will they take, working together, to pack 1800 boxes of oranges?

Question 1049326: 1. X takes 2 hours to pack 200 boxes of oranges, and Y takes 3 hours to pack 150 boxes of oranges. How long will they take, working together, to pack 1800 boxes of oranges?
Found 3 solutions by josgarithmetic, hussamuddin, advanced_Learner:
Answer by josgarithmetic(39632)   (Show Source): You can put this solution on YOUR website!
The sum of the rates as is .

Basic constant rate rule R*h=W to relate rate, time in hours, work. The unknown time is h for your example.

Answer by hussamuddin(51)   (Show Source): You can put this solution on YOUR website!
X takes 2 hours to pack 200 boxes of oranges, so he will take hour to pack boxes of oranges.
Y takes 3 hours to pack 150 boxes of oranges,so he will take hour to pack
If they work together they will take (1x12=12) hour to pack a total of (150x12=1800) boxes of oranges.
Answer by advanced_Learner(501)   (Show Source): You can put this solution on YOUR website!
working together
2/200+3/150=225 B/Hour
1800/225=8 Hours
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