## Fryer 2023 Question 1, CEMC UWaterloo

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#### Difficulty: 3

#### This problem is tagged with fryer, fryer23, highschool.

**(Fryer 2023, Question 1, CEMC - UWaterloo)**

At Monday's practice, Lonnie sprints $200$ m a total of $24$ times. At Tuesday's practice, he sprints $240$ m a total of $20$ times. On both days, he rests for $30$ s between each consecutive pair of sprints. Lonnie sprints at a constant speed of $8$ m/s.

(a) On Monday, how many times does Lonnie take the $30$ s rest between consecutive pairs of sprints?

(b) On Monday, determine Lonnie's total practice time. That is, determine the total number of seconds between the start of his first sprint and the end of his last sprint, including the rests.

(c) Determine how many fewer seconds Tuesday's practice will take compared to
Monday's practice.

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