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Solving Percent Problems Using Proportions

45 150. n 100. Write a proportion. =. Write the cross products. 150 n = 45 ( 100 ). 150 n 150. 45(100) 150. Divide each side by 150. =. Simplify. n = 30. COURSE 2 LESSON 6-5. Solving Percent Problems Using Proportions. What percent of 150 is 45?.

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Solving Percent Problems Using Proportions

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  1. 45 150 n 100 Write a proportion. = Write the cross products. 150n = 45(100) 150n 150 45(100) 150 Divide each side by 150. = Simplify. n = 30 COURSE 2 LESSON 6-5 Solving Percent Problems Using Proportions What percent of 150 is 45? You can write a proportion to find the percent. 45 is 30% of 150. 6-5

  2. The model shows the relationship. 3 15 n 100 Write a proportion. = Write the cross products. 15n = 3(100) 15n 15 3(100) 15 Divide each side by 15. = n = 20 Simplify. COURSE 2 LESSON 6-5 Solving Percent Problems Using Proportions In a grocery store with 15 aisles, 3 aisles have bread and cereals. What percent of the store aisles have bread and cereals? 20% of the store aisles have bread and cereal. 6-5

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