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What is a percent ?

1.02. 8-7 Concept of Percents. What is a percent ?. Percent means “out of 100”. 100% means 1 whole. Percents to Fractions P  F. Put the number over 100 Reduce. Percents to Decimals P  D. Move the decimal 2 places to the LEFT ( Dividing by 100). 1.02.

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What is a percent ?

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  1. 1.02 8-7 Concept of Percents What is a percent? Percent means “out of 100” 100% means 1 whole Percents to Fractions P  F • Put the number over 100 • Reduce Percents to Decimals P  D • Move the decimal 2 places to the LEFT(Dividing by 100)

  2. 1.02 8-8 Fractions, Decimals Percents Page 87 • Change fraction to a decimal (divide - Deno: out/Num: in) • Move the decimal 2 places to the RIGHT(Multiplying by 100) Fractions to Percents F  P Decimals to Percents D  P • Move the decimal 2 places to the RIGHT(Multiplying by 100)

  3. 1.02 8-9 Percent Problems Page 89 How do I use proportions to help me with percent problems? Create a fish Set up proportion Cross Multiply Solve for X % is = 100 of What is another way to find a percent of a number? Write Percent as a Decimal Multiply using the decimal

  4. 1.02 8-10 Using Percents Page 91 How do I find discounts? A discount is an amount that is subtracted from the regular price of an item. Discount = Price * Discount Rate Price - Discount How do I find tips? A tip is an amount added to a bill for service. Tip= Bill* Tip Rate Bill + Tip A tax is an amount added to the price of an item Tax= Price * Tax Rate Price + Tax How do I find taxes?

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