If a bus driver leaves her first stop by 7:00 a.m., her route will take less than 37 minutes. If she leaves after 7:00 a.m., she estimates that the same route will take no less than 42 minutes. Which inequality represents the time it takes to drive the route, r?

Leaving by 7:00 a.m. means the route takes less than 37 minutes, so r < 37. Leaving after 7:00 a.m. means it takes no less than 42 minutes, so r ≥ 42. Together, these possibilities are represented by r < 37 or r ≥ 42.

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