An account had an initial deposit made and then interest was applied once a year at a fixed rate. the amount of money, in dollars, in the account after t years, was 103(1.02) t . what was the annual interest rate?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?