النسبة: تدريبات متنوعة على النسبة وخواصها

A group of friends at school discusses how to find the number of girls based on given information. They know the ratio of girls to boys is 3:4, and there are 140 boys. The video explains how to calculate the number of girls using this ratio, resulting in 105 girls. It concludes by generalizing the method for finding unknown quantities when given a ratio and one known value.

What new insight or understanding did you gain from this video?