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Monday, May 29 2017 @ 06:26 AM CDT
 Forum Index >  Test Paper Related >  Primary 4 Matters
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By: achieve_goal (offline)  Sunday, September 18 2011 @ 07:11 AM CDT (Read 908 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?

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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

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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!

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Posts: 102

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