Question 75
The ratio of the number of boys and girls in a school is 5: 8. If there are 260 students in the school, then what is the difference between the number of girls and boys in the school?
Solution
The ratio of the number of boys and girls in a school is 5: 8.
Let's assume the number of boys and girls in a school is 5y and 8y.
If there are 260 students in the school.
5y+8y = 260
13y = 260
y = 20
Difference between the number of girls and boys in the school = 8y-5y
= 3y
= $$3\times20$$
= 60
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