Ch 3-10 Percents pgs 152-157 Convert a % to decimal Move 2 places to the left. Ex 1: 34% = 0.34 2: 6% = 0.06.

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Presentation transcript:

Ch 3-10 Percents pgs

Convert a % to decimal Move 2 places to the left. Ex 1: 34% = : 6% = 0.06

Convert decimal to % Move 2 places to the right. Ex 3: 0.07 = 7% Ex 4: 1.3 = 130%

Change Fraction to % Divide bottom into top. Move 2 places to the right. Ex 5: 3/8 =.375 = 37.5%

Translating % Problems % * Base = Part (of) (is) Ex 6:What number is 12.5% of 40? x = (.125) 40 x = 5

Ex 7: A family spent $208 one month for food. This was 26% of its income. What was its monthly income?

Ex 8: Tax in Muskingum Co is 6.5%. If you buy a car for $18000, how much is tax? What is the total purchase price?

Ex 9: 5 is what percent of 200

Percent of Increase or Decrease Jim made $6 and hour at his job when he started. He now makes $7.20. By what percent did his salary increase?

Assignment 310/ /2-44e,43,45-47,60