SOLUTION: Susan and Joan are diving for golf balls in a large water trap. Susan recovers a golf ball every 0.016 hour while Joan recovers a ball every 0.025 hour. If both are working, then a

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Question 42773: Susan and Joan are diving for golf balls in a large water trap. Susan recovers a golf ball every 0.016 hour while Joan recovers a ball every 0.025 hour. If both are working, then at what rate(in golf ball per hour) are they recovering golf balls?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Susan's Rate: 0.016 = 16/1000 = 2/125 or about 0.96 minutes
Joan's Rate: 0.025 = 25/1000 = 1/40 or about 1.5 minutes
Rate * Time(t) = Work
%282t%2F125%29+%2B+%28t%2F40%29+=+1
1000%282t%2F125%29+%2B+1000%28t%2F40%29+=+1000
16t+%2B+25t+=+1000
41t+=+1000
t+=+1000%2F41 * (1/60) = about 0.41 minutes