1 / 7

Ch 2.7 Percent Word Problems

Ch 2.7 Percent Word Problems. Objective: To translate word problems involving percent and solve the resulting equation. Rules. 1) TRANSLATE each word into Math symbols 2) Use Inverse operations to solve the equation. Translations. what : variable (n) is : equals (=)

bryga
Download Presentation

Ch 2.7 Percent Word Problems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Ch 2.7Percent Word Problems Objective: To translate word problems involving percent and solve the resulting equation.

  2. Rules 1) TRANSLATE each word into Math symbols 2) Use Inverse operations to solve the equation Translations what: variable (n) is: equals (=) percent: divided by (÷) 100 of: multiply ()

  3. Example 1 What number is 54% of 200? 54 100 200 n = n = 108 Example 2 112% of 650 is what number? = n 650 112 100 728 = n

  4. Example 3 7% of what number is 31.5? 100 7 100 7 7 100 n = 31.5 n = 450 Example 4 150 is 60% of what number? = n 100 60 100 60 60 150 100 250 = n

  5. Example 5 What percent of 20 is 5 ? n % 20 = 5 ÷100 = n 20 5 100 20 100 20 100 n = 25

  6. Classwork 1) What is 25% of 56? 2) 77 is 35% of what? 3) 22% of 157 is what? 4) What percent of 135 is 36 ?

  7. Classwork 5) What is 85% of 59? 6) 179 is 98% of what? 7) 90% of 19 is what? 8) What percent of 200 is 135 ?

More Related