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Mathematics, 08.11.2019 15:31 Jael2
Penny and sheldon are assembling hair clips. penny can assemble a hair clip in 6 minutes and sheldon can assemble a hair clip in 9 minutes. if they start making the hair clips at the same time, what is the least amount of minutes it will take for them finish a hair clip at the same time?
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Penny and sheldon are assembling hair clips. penny can assemble a hair clip in 6 minutes and sheldon...
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