Question

In a survey of teenagers, ⅔ responded that they got regular exercise, and ⅘ of those said that walking was their main form of exercise. What fraction of the teenagers mainly exercise by walking? (1 point)

Answer 1

[AI-generated answer — Bot GPT 3.5]

If 2/3 of teenagers said they got regular exercise, and 4/5 of those said walking was their main form of exercise, then 2/3 * 4/5 = (2*4)/(3*5) = 8/15 of teenagers mainly exercise by walking. Answer: \boxed{\frac{8}{15}}.