Work out
a) 4 1/3 × 6
b) 2 3/5 × 3 1/3

Can someone me with this problem . show your work .

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?

Someone me i need with this stuff