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Mathematics, 13.10.2020 01:01 chrisgonzalez33
Jason and Hilger are required to paint over the graffiti on a wall. If Jason worked alone, it would take him 20 h to repaint. Working alone, Hilger could do the job in 15 h. How long will it take them to do the painting if they work together? (write your answer as a decimal of hours, do not include units, only use two decimal places)
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Jason and Hilger are required to paint over the graffiti on a wall. If Jason worked alone, it would...
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