1. Ratio, Proportion, and Triangle Applications Chapter Six

2. Ratio and Rates Section 6.1

3. A ratio is the quotient of two numbers. Writing Ratios as Fractions For example, a percent can be thought of as a ratio, since it is the quotient of a number and 100. 53% = or the ratio of 53 to 100 3 Martin-Gay, Prealgebra, 5ed

4. The ratio of a number a to a number b is their quotient. Ways of writing ratios are and a b a to b,a : b, Ratio 4 Martin-Gay, Prealgebra, 5ed

5. A rate is a special kind of ratio. It is used to compare different kinds of quantities. Writing Rates as Fractions 5 Martin-Gay, Prealgebra, 5ed

6. To write a rate as a unit rate, divide the numerator of the rate by the denominator. Finding Unit Rates 6 314.5 ÷ 17 = 18.5 The unit rate is Martin-Gay, Prealgebra, 5ed

7. When a unit rate is “money per item,” it is also called a unit price. Finding Unit Prices 7 A store charges $2.76 for a 12-ounce jar of pickles. What is the unit price? ($0.23 per ounce ) Martin-Gay, Prealgebra, 5ed