Skaters room is 5 meters long and 3 1/4 meters wide. what is the area of his room?

Can someone answer this question? : )

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

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