How do you compare whole numbers through millions

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

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.