SOLUTION: a machine can make 6405 screws in 3 hours. How many screws can it make in 8 hours?

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Question 414288: a machine can make 6405 screws in 3 hours. How many screws can it make in 8 hours?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Call the rate of making screws R
R+=+6405%2F3 screws/hr
R+=+2135 screws/hr
2135 screws/hr x 8 hrs = 17080 screws
It can make 17080 screws in 8 hrs