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 By: achieve_goal (offline)  Monday, October 31 2011 @ 01:04 AM CDT (Read 895 times)
achieve_goal

1.Mr.lee arranged some chairs in 15 rows,

such that there were equal number of chairs

in each row. when he removed 5 rows of chairs

and chairs and placed them on the remaining 10 rows

the number of chairs in each increased by 6. What

was the number of chairs in each row at first?

Regular Member

Registered: 09/14/11
Posts: 102

 By: GIM (offline)  Monday, October 31 2011 @ 08:37 AM CDT
GIM

Total 15 rows
Removed 5 rows and add 6chairs to remainding 10 rows

5 rows ------ 6chairs x 10rows = 60 chairs
1 row -------- 60 / 5 = 12 chairs(answer)

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Registered: 11/07/10
Posts: 70

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