SOLUTION: First worker can make one part of road 4 hours faster than second worker and we know that together they can make 10 parts of roads in 48 hours. How much time does the second wor

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Question 863019: First worker can make one part of road 4 hours faster than second worker and we know that together they can make 10 parts of roads in 48 hours.
How much time does the second worker need to make one part of the road?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
10f=10(s-4),
48/10f+48/10s=10
48/10(s-4)+48/10s=10
f=0.536794, s=4.53679