9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work?

9 girls working 7 hours a day can complete a piece of work in 15 day.

1.	9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work?
A.	35/4 days
B.	17.5 days
C.	19 3/4 days
D.	37/3 days
Answer» C. 19 3/4 days

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9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work?

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