6.2 Percents. Percent The ratio of a number to 100. Needs to be converted to a fraction or a decimal to compute.

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Presentation transcript:

6.2 Percents

Percent The ratio of a number to 100. Needs to be converted to a fraction or a decimal to compute.

To convert a % into a Decimal… Move the decimal over two spots to the left and drop the %

Ex 1: Write as a decimal: 137% = 1.37

To convert the % into a fraction... Drop the percent sign put the number over 100 and reduce if possible

Ex 2: Write as a fraction: 37.5% = Cannot leave fractions or decimals in fractions 10 ÷25

Write a Fraction as a % Set your fraction = to x/100 and solve for x

Ex 3: Write as a percent: Cross-product 

Assignment: textbook Page 224 (1,4-28) even