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WAEC Mathematics 2018 Paper

Question : 6

Total: 50

Solution:

Concept:

Percentage is found by dividing the number of students who play football by the total number of students, then multiplying by 100%.

Explanation:

Total students in the school =

250 + 150 = 400

Boys who play football =

60\%

250 = \frac{60}{100} \times 250 = 150

Girls who play football =

40\%

150 = \frac{40}{100} \times 150 = 60

Total students who play football =

150 + 60 = 210

Percentage of the school that play football =

\frac{210}{400} \times 100\% = 52.5\%

Answer:

52.5\%

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