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 By: achieve_goal (offline)  Sunday, September 18 2011 @ 07:11 AM CDT (Read 967 times)
achieve_goal

Hi maths solvers! Just want to ask you one question.

At an exhibition hall, there were thrice as

many adults as children. The number of

boys was twice the number of girls. Given

that there were 98 more adults than boys,

how many people were at the exhibition hall?

Regular Member

Registered: 09/14/11
Posts: 102

 By: YTNg (offline)  Sunday, September 18 2011 @ 09:16 PM CDT
YTNg

Girls = 1 unit
Boys = 2 units
Adult will be 9 units (3 times of total of Girls & Boys)

There are 98 more adults than boys, so
9 units - 2 units = 7 units
7 units = 98
1 unit = 14

Total no. of unit is 12 units
Total no. of people = 12 x 14 = 168

Newbie

Registered: 12/31/06
Posts: 7

 By: achieve_goal (offline)  Monday, September 19 2011 @ 05:09 AM CDT
achieve_goal

Quote by: YTNg

Girls = 1 unit
Boys = 2 units
Adult will be 9 units (3 times of total of Girls & Boys)

There are 98 more adults than boys, so
9 units - 2 units = 7 units
7 units = 98
1 unit = 14

Total no. of unit is 12 units
Total no. of people = 12 x 14 = 168

Thank You!

Regular Member

Registered: 09/14/11
Posts: 102

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