answer is the picture
b) How many cars were not red, green,or yellow?
answer:9 cars are not green,red,and yellow
c) What is the ratio of yellow to greento red cars?
answer: the answer is 1:4:6
d) What is the ratio of red to total cars?
Express the ratio as a fraction and apercent.
answer: the answer is 6:20=3/10=30%