What could the dimensions of a rectangle with a perimeter of 64 centimeters be?

Need on this geometry question. explain how you did it.

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. how many hours after the truck's departure will the two meet?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.