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Do Now: What is What is is 20. 5. ____

MEN11 11/14/12 Mrs. Cabanero Goal: To be able to solve problems that involve percents. Do Now: What is What is is 20. 5. ____. Problems dealing with discounts, commissions, and taxes involve percents.

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Do Now: What is What is is 20. 5. ____

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  1. MEN11 11/14/12 Mrs. CabaneroGoal: To be able to solve problems that involve percents Do Now: • What is • What is • is 20. 5. ____

  2. Problems dealing with discounts, commissions, and taxes involve percents. A percent is a ratio of a number to 100 and is also called rate. For example, is the ratio of 8 to 100, or . A percent can be expressed as a fraction or or as a decimal.

  3. Regents: The Edison Lightbulb Company tests of their daily production of lightbulbs. If 500 bulbs were tested on Tuesday, what was the total number of bulbs produced that day?

  4. Step1. Let x = # of bulbs producedStep2. Step3. Write and solve the equation. answer

  5. Regents: Linda paid $48 for a jacket that was on sale for of the original price. What was the original price of the jacket?

  6. Step1. Let x = original price of the jacketStep2. Write and solve the equation. answer

  7. Regents: Rashawn bought a CD that cost $18.99 and paid $20.51, including sales tax. What was the rate of the sales tax?

  8. Step1. Let x = rate or percent sales taxStep2. tax = $20.51 - $18.99 = $1.52 Step3. Write and solve the equation. answer

  9. Regents: Twenty-five percent of 88 is the same as what percent of 22?

  10. Step1. Let x = required rate or percent Step2. Write and solve the equation. answer

  11. EXIT TICKET: to be collected In a recent town election, 1860 people voted for either candidate A or candidate B for the position of supervisor. If candidate A received 55% of the votes, how many votes did candidate B receive?

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