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Section 3.3

Section 3.3. Finding Base. Formula for Base…. Remember… P = B x R to find PART Use B = P ÷ R To find Base (Base = Part divided by Rate). P. B. R. EX: solve for base. 1. 36 is 10% of _____ 2. 91 is 5% of _____ 3. 1.5 is 120% of _____. Examples from p 99.

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Section 3.3

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  1. Section 3.3 Finding Base

  2. Formula for Base… • Remember… P = B x R to find PART • Use B = P ÷ R To find Base • (Base = Part divided by Rate) P B R

  3. EX: solve for base • 1. 36 is 10% of _____ • 2. 91 is 5% of _____ • 3. 1.5 is 120% of _____

  4. Examples from p 99 • 30. In analyzing the success of driver’s license applicants, the state finds that 58.3% of those examined received a passing mark. If the records show that 8370 new driver’s licenses were issued, what was the number of applicants? Round to the nearest whole number.

  5. 34. Apple, Inc. recently announced that it will be hiring 1800 employees. If this is about 4.3% of the current workforce, estimate the number of people who work for Apple.

  6. 36. A casino hotel in Barbados states that 45% of its rooms are for non-smokers. If the resort allows smoking in 484 rooms, find the total number of rooms.

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