SOLUTION: A print shop can print the MVP math book in 24 minutes if both of their print machines are working together to do the job. If a print machine is working alone, the job takes longe

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Question 1165783: A print shop can print the MVP math book in 24 minutes if both of their print machines are working
together to do the job. If a print machine is working alone, the job takes longer. Machine A can print the book 20
minutes faster than Machine B. a. How long does it take each machine to print the book?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
MACHINE             RATE

  A                 1/(b-20)

  B                 1/b

Together            1/24

1%2F%28b-20%29%2B1%2Fb=1%2F24-----------solve this.