20 workers can dig a canal in 17 days,working daily 8 hours.How many hours 34 workers need to work daily to complete 8 days
Answers
Answer:
Let the total number of men to be engaged be x
More length, More labourers (Direct proportion)
Less days, More labourers (Indirect proportion)
Lentgh 26:39Days 6:18Hours per day 9:8⎫⎭⎬::17:x
∴ 26×6×9×x=39×18×8×17⇔x=(39×18×8×17)(26×6×9)⇔x=68
∴ Number of more labourers = (68 -17) = 51
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Answer:
they need to work for 10 hours daily
Step-by-step explanation: