2.3.1: Preparation 2.3

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    (1) Calculate the following values.

    (a) What percent of 20 is 2?

    (b) 28 is what percent of 80?

    (c) What percent is 18/24?

    (2) A school principal of 810 students needs to determine what percent of students passed and did not pass a statewide examination. Round to the nearest percent.

    (a) If 550 students passed the exam, what percent passed the test?

    (b) What percent did not pass the test?

    (3) A laptop computer that you want to purchase was originally priced at $1,225. You will receive a 20% student discount, and the sales tax rate is 8%. How much money will you pay for the laptop?

    After Preparation 2.3 (survey)

    You should be able to do the following things for the next collaboration. Rate how confident you are on a scale of 1–5 (1 = not confident and 5 = very confident).

    Before beginning Collaboration 2.3 you should understand the concepts and demonstrate the skills listed below.

    Skill or Concept: I can...

    Rating from 1 to 5

    find a percent of a number.

    		 

    Self-Regulated Learning: Reflect

    How much time and effort per week is this course taking? Is it what you expected? Is there anything you need to adjust in your weekly schedule to make sure you are successful?

    This page titled 2.3.1: Preparation 2.3 was last modified on Wed, 15 May 2024 07:37:33 GMT and is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Carnegie Math Pathways (WestEd) .