SOLUTION: 1. 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, th
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-> SOLUTION: 1. 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, th
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Question 120746: 1. 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 balls per hour) are they recovering golf balls?
2. The amount of farmland in the United States is decreasing by one acre every 0.00876 hours as farmland is being converted to nonfarm use. At what reate in acres per day is the farmland decreasing? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Susan's rate + Joan's rate = rate working together
multiply both sides by 400
Their rate working together is
102.5 balls/hr
