Can I get some assistance on number 3? I just need to know if the answer is 144 or am I way off?

If jaime wants to find 60% of 320, which table should he use?

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?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?