explain how percents, fractions, and decimals are related. use a 10-by-10 grid to make a model that supports your explanation

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?

Pls brainliest will be awarded if answer is correct

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6