1. Equationn = 0.32 40 Use an equation to solve: 32% of 40 is what number? COURSE 2 LESSON 6-6 n = 0.32 40 = 12.8 Simplify. 6-6 Solving Percent Problems Using Equations WordsA number is 32% of 40. Let n = the number.

2. Use an equation to solve: 18% of what number is 81? COURSE 2 LESSON 6-6 0.18n 81 0.18 0.18 = Divide each side by 0.18. n = 450 Simplify. 6-6 Solving Percent Problems Using Equations Equation0.18n=81 Words 18% of a number is 81. Let n = the number.

3. Let p = the percent. WordsA percent of 200 is 45. Use an equation to solve: What percent of 200 is 45? COURSE 2 LESSON 6-6 200p 45 200 200 = Divide each side by 200. p200=45Equation p 200 = 45 Simplify. 200p = 45p = 0.225 Use a calculator. p = 22.5% Write the decimal as a percent. 6-6 Solving Percent Problems Using Equations

4. Write and solve an equation. 1.6% of 38 is what number? 2.40% of what number is 24? 3.What percent of 52 is 13? 4.96% of what number is 240? COURSE 2 LESSON 6-6 n = 6% 38; 2.28 24 = 40% n; 60 13 = n% 52; 25% 240 = 96% n; 250 6-6 Solving Percent Problems Using Equations