6girls completes a piece of work in 15days then in how many days 9girls will do the work
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Answered by
2
6 girls complete work in 15 days
1 girl complete work in 15×6 days
9 girls complete work in 15×6/9
= 90/9 days
10 days
botanyliker:
=10days
Answered by
1
6 girls completed work=15 days.
1 girl will complete it in=15/6 days.
9 girls will do the work=1/9.
so,
=15/6×1/9
=15×6/9
=5×2.
=10.
done..
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