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Rates & Percents. WhiteBlackHispanic Total People Living in Poverty 26,038,0009,393,0009,132,000 Total People in U.S. 238,000,00038,028,00041,698,000.

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Presentation on theme: "Rates & Percents. WhiteBlackHispanic Total People Living in Poverty 26,038,0009,393,0009,132,000 Total People in U.S. 238,000,00038,028,00041,698,000."— Presentation transcript:

1 Rates & Percents

2 WhiteBlackHispanic Total People Living in Poverty 26,038,0009,393,0009,132,000 Total People in U.S. 238,000,00038,028,00041,698,000 Percent of People Living in Poverty by Race 10.9% 24.7% 21.9%

3 What is a percent? What does it mean to have, for example, 30% of something?

4 If I have a Pizza with 100 slices, how many slices is 30% ? Insert image

5 If I have a Pizza with 10 slices, how many slices is 30% ? Insert image

6 If I have a Pizza with 5 slices, how many slices is 30% ? Insert image

7 Definitions Rate - a measure, quantity or frequency measured against some other quantity or measure –45 miles per hour –2/3 cup of milk –97 people per 100,000 Percent - the rate, number, or amount in each 100

8 To calculate a percent (Method 1) 100 = Part Whole % Part 100 = % Whole

9 Find 27% of 262 = Part Whole % 100 x 262 27

10 x 100 = 27 262 100x = 7074 100 = 100 x = 70.74

11 To calculate a percent (Method 2 - only works when you’re trying to find the part) Part 100 = % Whole 100 % Whole Part =

12 Find 27% of 262 27 100 262 x =.27 262 x = 70.74 x =

13 262 100 x 27 = Find 27% of 262

14 What is 37% of 40? What is 40% of 37? Part = % Whole 100 x = 37 40 100 x =.37 40 x = 14.8 Part = % Whole 100 x = 40 37 100 x =.40 37 x = 14.8


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