Solving a word problem using proportions

The video tutorial explains how to solve a word problem involving ratios. It begins by introducing the problem, which involves finding the total number of students in a class given the ratio of girls to boys and the fact that there are three fewer girls than boys. The tutorial then explains how to represent ratios as fractions and set up an equation using variables and proportions. The solution is found through cross multiplication, and the final step involves verifying the solution to ensure it answers the original question.

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