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Rename the fraction in lowest terms.

1 6. =. Exercise. Rename the fraction in lowest terms. 4 24. 4 7. =. Exercise. Rename the fraction in lowest terms. 80 140. 5 14. =. Exercise. Rename the fraction in lowest terms. 40 112. Ratio.

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Rename the fraction in lowest terms.

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  1. 1 6 = Exercise Rename the fraction in lowest terms. 4 24

  2. 4 7 = Exercise Rename the fraction in lowest terms. 80 140

  3. 5 14 = Exercise Rename the fraction in lowest terms. 40 112

  4. Ratio A ratio is a comparison of two numbers by division and is often written as a fraction.

  5. Example Calvary Christian School has 192 students and 12 teachers. What is the student-teacher ratio?

  6. 7 5 = 11280 7 x 165 x 16 = Example 1 If Calvary Christian School has 112 girls and 80 boys enrolled, what is the ratio of girls to boys?

  7. 1280 3 x 420 x 4 3 20 = = Example 1 If Calvary Christian School has 112 girls and 80 boys enrolled, what is the ratio of teachers to boys?

  8. 8012 20 x 43 x 4 20 3 = = Example 1 If Calvary Christian School has 112 girls and 80 boys enrolled, what is the ratio of boys to teachers?

  9. wonplayed 4 x 29 x 2 818 4 9 = = = Example 2 A baseball team won eight games and lost ten. Write the ratio of games won to games played.

  10. 4 x 25 x 2 810 4 5 wonlost = = = Example 2 A baseball team won eight games and lost ten. Write the ratio of games won to games lost.

  11. Example Assume Jeff made 3 out of every 4 free throws in the course of the basketball season. What was the ratio of free throws made to those attempted? 3 to 4

  12. Example Assume Jeff made 3 out of every 4 free throws in the course of the basketball season. What was the ratio of free throws made to those missed? 3 to 1

  13. Rate A rate is a ratio comparing different kinds of measures.

  14. Unit Rate A unit rate is a ratio that compares a quantity to one.

  15. mileshours 2104 = 52.51 210 ÷ 4 4 ÷ 4 = Example 3 A car traveled 210 mi. in 4 hr. What was its unit rate? 52.5 mi./hr.

  16. dollarshour 2886 = 481 288 ÷ 6 6 ÷ 6 = Example 4 A plumber charges $288 for 6 hr. of work. What is his unit rate? $48/hr.

  17. Example Assume Jeff made 3 out of every 4 throws in the course of the basketball season. If he attempted 100 free throws in the season, how many did he make? 75 free throws

  18. Example Assume Jeff made 3 out of every 4 throws in the course of the basketball season. If he made 60 free throws in the season, how many did he miss and how many did he attempt? 20 free throws missed; 80 free throws attempted

  19. Example If Jeff makes 1 out of every 3 three-point attempts and 1 out of every 2 two-point attempts, is he better off shooting three-point shots or two-point shots? It doesn’t matter.

  20. Exercise Three partners in a business have ownership in the ratio 3 : 5 : 7. How much will each get from $387,000 profit if it is divided on the basis of ratio of ownership? $77,400; $129,000; $180,600

  21. Exercise During biblical times the firstborn son in a Jewish family received twice as much inheritance as the other sons. If there are four sons in the family and the inheritance to be divided totals $875,000, how much will each inherit? firstborn: $350,000; other sons: $175,000

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