SOLUTION: One of Maria and Josie’s early tasks is printing and laminating signs to hang at local businesses around town. Working alone, Maria could print and laminate the signs in 4 hours. J
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Question 1102664: One of Maria and Josie’s early tasks is printing and laminating signs to hang at local businesses around town. Working alone, Maria could print and laminate the signs in 4 hours. Josie, however, has better laminating equipment, so she could get the job done by herself in 2 hours. If each works for the same amount of time, how long will it take them working together to print and laminate the signs? Answer by ikleyn(52835) (Show Source):
Maria makes of the job per hour.
Josie makes of the job per hour.
Working together, they make + = + = of the job per hour.
Hence, it will take hours = hours = 1 hour and 20 minutes to complete the job working together.
Solved.
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It is a typical joint work problem.
