Sally, ron and jerry shared some sandwiches that were the same size and cut into eighths. sally ate 5/8 of the sandwiches, ron ate 7/8 of the sandwiches, and jerry ate 3/4 sandwiches. who ate the most?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

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?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10