Lisa's living room is 21 feet wide. If the length is 4 feet less than twice the width, what is the area of her living room? square feet

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.