Question

15% of Alina’s workout consisted of cardio exercise. 25% of Dane’s workout consisted of cardio exercise. Which statement must be true?

A. If they worked out for the same amount of time, Dane did 10 more minutes of cardio exercise than Alina.

B. If Alina’s workout was 80 minutes, and Dane’s workout was 48 minutes, they spent the same amount of time on cardio exercise.

C. If both workouts were 60 minutes, Dane spent 8 more minutes on cardio exercise than Alina did.

D. Alina spent less time on cardio exercise than Dane did.

Answer 1

A and D are out (the percentage by itself does not tell you about the total minutes worked)

Answer 2

To decide between B and C, calculate the number of minutes of cardio for both people in both scenarios