If 5 girls can embroider a dress in 9 days, then
the number of days taken by 3 girls will be
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Answered by
1
Following sum is in inverse proportion
Let number of days taken by 3 girls be a
So, 5 X 9=3 X a
45/3=a
15=a
Let number of days taken by 3 girls be a
So, 5 X 9=3 X a
45/3=a
15=a
Answered by
0
5 girls×9 days= 1 work
work done by 5 girls in a day= 1/9
work done by one girl per day= 1/(9×5)= 1/45
Therefore work done by 3 girls in a day
= 1/45 × 3
= 1/15
Let x be the number of days required to complete 1 work
1/15 ×x= 1
x= 15
therefore, three girls will take 15 days to embroider a dress.
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