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Section 3.4

Section 3.4. Finding Rate. Formula for Rate…. Remember… P = B x R to find PART Use R = P ÷ B To find Base (Rate = Part divided by Base) Remember to convert the decimals to percent!. P. B. R. EX: solve for rate. 1. 34 is _____% of 98 2. 100 is ___ % of 290 3. _____ % of 29 is 4.

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Section 3.4

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  1. Section 3.4 Finding Rate

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

  3. EX: solve for rate • 1. 34 is _____% of 98 • 2. 100 is ___ % of 290 • 3. _____ % of 29 is 4

  4. Examples from p 105 • 24. There are 55,000 plus words in Webster’s Dictionary, but most educated people can identify only 20,000 of these words. What percents of words in the dictionary can these people identify?

  5. 28. Of the 2380 motorcycle riders that participated in a recent bike rally through the California mountains, 2041 were men. • A) Find the percent who were men. • B) What percent were women?

  6. 29. In a recent survey of 230 nurses, 159 were unhappy with their jobs due to the difficult working hours and work-related stresses. Find the percent unhappy with their jobs.

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