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A can copy 50 papers in 10 hours while both A and B can copy 70papers in 10 hours Then for how many hours required for B to Copy 26 papers?
Sameet
A alone can copy 50 in 10 hours and both can copy 70 in 10 hours
which means B can copy 20 papers in 10 hours
and 2 papers in 1 hour
and 26 papers in 13 hours
Wiki User
∙ 12y ago
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A can copy 50 papers in 10 hours while both A and B can copy 70 papers in 10 hours Then for how many hours required for B to Copy 26 papers?
If in 10 hours, A can copy 50 papers, and A and B together can copy 70, then B must be copying 20 papers in 10 hours.This means B copies 2 papers per hour. 10 / 10 = 1 and 20 / 10 = 2If B copies 2 papers every hour, then it would take 13 hours for it to copy 26 papers.
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