B) If a, b, c are three rational numbers where a = a = 3
3,6 = and c =
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Verify: a + (b + c) = (a + b) + C

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?