Find the percent of each number % of % of % of % of /18/11 Percent Today’s Plan: -Percent lesson -Correct Homework -Active Expressions LT: I will use proportions to solve percent problems. % 100 = is of
Course Solving Equations Containing Percents Percent is of 68.75% 16.5 is what percent of 24 hours? % 100 = is of x =
Course Solving Equations Containing Percents A. 25 is what percent of 40? 100 = 62.5% 25 is 62.5% of 40. % 100 = is of x25 40
Course Solving Equations Containing Percents B. 15 is 25% of what number? x = is 25% of 60. Write a proportion. % 100 = is of 100 = 2515 x
Correct Assignment: Page 314 #1-26 2/17/11 Percent Today’s Plan: -Test Results -Find percent of a number LT: I will use proportions to solve percent problems. % 100 = is of
Active Expressions % 100 = is of 2/17/11 Percent Today’s Plan: -Test Results -Find percent of a number LT: I will use proportions to solve percent problems.
Solve. Try This: Example 1A Course Solving Equations Containing Percents A. 10 is what percent of 50? n 100 = n = is 20% of 50. Write a proportion.
Solve. Try This: Example 1B Course Solving Equations Containing Percents B. 8 is 40% of what number? = 8n8n n = 20 8 is 40% of 20. Write a proportion.
Lesson Quiz is 42% of what number? is what percent of 292? % of what number is 84? is what percent of 1340? 5. An ad shows a DVD player on sale for 75% of its original price. If its original price was $242, what is the sale price? 25% 50 Insert Lesson Title Here 75 1% Course Solving Equations Containing Percents $181.50
Course Solving Equations Containing Percents Proportion Method Equation Method n 100 = Part Whole Part Whole What percent of 24 is 16.5? n · 24 = 100 · n = 1,650 n = % n · 24 = 16.5 n = n = 68.75%