HELP PLEASE I NEED HELP! In the Central Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race ? What percent of the cars did not finish the race ?

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.