SOLUTION: Bill and Adam can set up 300 chairs in 10 minutes. If Adam works twice as fast as Bill, how many minutes would it take Adam to set up 300 chairs working alone.

Question 732191: Bill and Adam can set up 300 chairs in 10 minutes. If Adam works twice as fast as Bill, how many minutes would it take Adam to set up 300 chairs working alone.
Answer by lokesh mishra(5) (Show Source): You can put this solution on YOUR website!
SINCE ADAM WORKS FASTER SO HE WILL TAKE LESS TIME IN PROPORTION TO BILL, LET bill COMPLETE THE WORK IN X MINUTES , SO adam will complete in x/2 minutes , since they both complete in 10 minutes, so 1/x + 2/x = 1/10 , so x= 30 so bill will complete in 30 minutes and adam will complete in 15 minute,
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