A train moving at a speed of 60km/hour covers a distance in 7.5 hours . What should be the speed of the train to cover the same distance in 6 hrs .

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

43lbs of tomatos cost $387. how much would 41lbs cost

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?