Use absolute value to express the distance between −13 and 17 on the number line.

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

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?

Math it's appreciated. (picture provided)