24 work essential can build a wall in 15da . how many will 9.workess take to build a similar wall
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Step-by-step explanation:
By inverse proportion let the no. of days taken by 9 workers be y.
24×15=9×y
=y=(24×15) ÷9
=y=360÷9=40
hence, the number of days taken by 9 workers=40 days.
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