SOLUTION: Tom can sort 230 nails in 2 hours. Jerry can sort 180 nails in 3 hours. How long will it take them to sort 700 nails if they work together (round to the nearest hundredth)?

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Question 820456: Tom can sort 230 nails in 2 hours. Jerry can sort 180 nails in 3 hours. How long will it take them to sort 700 nails if they work together (round to the nearest hundredth)?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
230/2=115 per hour
180/3=60 per hour
115x+60x=700
175x=700
x=4
No need to round
in 4 hours Tom sorted 460
in 4 hours Jerry sorted 180+60