HELP ME

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?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

If g^-1(x) is the inverse of g (x) which statement must be true