Chapter 12, Lesson 4


12-4.A count tally marks
How many tally marks are shown?


12-4.B write simple probability ratios
In a political focus group, there are 12 Republicans, 14 Democrats, and 8 Independents. If one person is chosen at random from that group, what is the probability that the person is an Independent? Express your answer as a percent, rounded to the nearest tenth.

12-4.C solve proportions
Round the solution to the nearest integer: