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Different Types of Percent Problems

Different Types of Percent Problems. What are they and how do we solve them?. What tool do we use to solve percent problems?. Use a proportion! This will be your starting point for all percent problems. Reminder: (Part times 100) = (Total times Percent). Type 1: Finding the Percent.

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Different Types of Percent Problems

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  1. Different Types of Percent Problems What are they and how do we solve them?

  2. What tool do we use to solve percent problems? • Use a proportion! • This will be your starting point for all percent problems. • Reminder: (Part times 100) = (Total times Percent)

  3. Type 1: Finding the Percent • Ex. What percent is 25 of 50? • (The word “is” is your clue that 25 is your “part” and the word “of” is your clue that 50 is your “total” or “whole”) • When you solve the proportion you should get 50 percent.

  4. Type 2: Finding the Part • Ex. What is 25% of 60? • (Your clues again are “is” and “of”. This time you are given a percent and a total of 60) • When you solve the proportion you should find that 15 is 25% of 60.

  5. Type 3: Finding the Total (or whole) • Ex. 20 is 25% of what? • (The clues show that 20 is your “part” and you are looking for the “of” which is also known as the total or whole) • Solve the proportion to find that your total is 80.

  6. Which problem is which type? 1) 35 is 50% of what? Type 3 2) What percent is 12 of 144? Type 1 3) What is 20% of 50? Type 2 This website has more practice problems as well as a link to review proportions: http://amby.com/educate/math/4-2_pr_x.html

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