Question
In a class, the ratio of boys to girls is 3 : 5. If there are 40 more girls than boys, find the total number of students in the class.
Solution
Let boys = 3x and girls = 5x. Given: 5x − 3x = 40 2x = 40 ⇒ x = 20 Boys = 3 × 20 = 60 Girls = 5 × 20 = 100 Total students = 60 + 100 = 160
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