SOLUTION: It takes Bethany 3 hours to proof a chapter of Hawkes Learning Systems' College Algebra book and it takes Nina 6 hours. How long would it take them working together? (Round your an
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Question 1054739: It takes Bethany 3 hours to proof a chapter of Hawkes Learning Systems' College Algebra book and it takes Nina 6 hours. How long would it take them working together? (Round your answer to two decimal places.)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
3*6/(3+6) hours
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