A tuxedo shop offers a special deal for prom season. For a discounted price, a young man renting a tux can choose from 3 styles of shoes, 10 styles of ties, 2 styles of pants, and 4 styles of coats. How many different tuxedos are possible?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field