2) If a chemical compound has a half-life of 45 years. What percent of that compound will exist after 100 years? (state
equation)

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?