1. Proportions and Percents
Final Exam Review
Proportions and Percents

2. Topics
Proportions
Word Problems
Percents

3. Solve the Proportion
Cross Multiply
Solve
for x

4. Solve the proportion
Cross Multiply Solve for x

5. Solve the proportion
Cross Multiply Get it to say = 0 Factor Solve

6. Word Problem
A car travels 90 miles on 5 gallons of gas. How many gallons will be needed to travel 450 miles?

7. Word Problem
Two machines can complete 7 tasks every 3 days. Let t represent the number of tasks these machines can complete in a 31-day month. Write a proportion that models this situation.

8. Percents 26% of what number is 130 0.26x = 130 0.26 0.26 x = 500 x =‧

9. Practice
Worksheet – “Proportions and Percents Review”

10. Homework
None!