15 person finished work in 30 days. how many persons are required to finish the same work in 45 days
Aishwarya98:
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ans is ..(30×15)÷45=10
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15 persons finished the work in 30 days.
persons required to finish the same work in 45 days..
By applying the ratio of proportionality,
x/15 = 30/45
x= (30*15) / 45
no.of.persons required = 10 persons.
can u explain chain rule.plz
if the no.of.days increases, the no.of.person decreases..
ratio of proportion..
ooo.....ya u r right
now can you understand..
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okay
to repair a building 4 mason take 8days .after working 3 days 2 more mason join the work. find out in how many days the work will finish
solve this plz
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