A train travels 90 3/5 miles in 3/4 of an hour. What is the average speed, in miles per hour, of the train?

(40 points) i need some . an answer definition is appreciated as well.

Write the rational number in lowest terms 99/-15

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?