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## Question

primary 6 | Maths
| Data Analysis

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Girls = 1 unit

Boys = 1 unit + 18

Total = 2 units + 18

Team B :

has the same number of students

= 2 units + 18

There are 8 more girls than boys.

To find the number of boys, take away 8 girls such that the number of boys and girls is the same.

2 units + 18 - 8 = 2 units + 10

Now the number girls = boys, which just means the number of pupils = 2 times of number of boys.

So number of boys in Team B

= (2 units + 10) ÷ 2

= 1 unit + 5

Compare this and boys in Team A,

Difference = 18 - 5 = 13

There are 13 more boys in Team A than B

b)

Total boys = 1 unit + 5 + 1 unit + 18

= 2 units + 23

Total boys also = 37

So 2 units + 23 = 37

2 units = 37 - 23 = 14

1 unit = 14 ÷ 2 = 7

Total number of pupils

= (2 units + 18) x 2

= 4 units + 36

= 4 x 7 + 36

= 28 + 36

= 64

Total girls = total pupils - total boys

= 64 - 37

= 27

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