1. EXAMPLE 4 Solve proportions SOLUTION a. 5 10 x 16 = Multiply. Divide each side by 10. a. 5 10 x 16 = = 10 x5 16 = 10 x80 = x8 Write original proportion. Cross Products Property Solve the proportion. ALGEBRA

2. EXAMPLE 4 Solve proportions Subtract 2y from each side. 1 y + 1 2 3y3y b. = = 2 (y + 1) 1 3y = 2y + 23y3y = y2 Distributive Property SOLUTION b. 1 y + 1 = 2 3y3y Write original proportion. Cross Products Property

3. GUIDED PRACTICE for Example 4 5. 2 x 5 8 = 6. 1 x – 3 4 3x3x = 7. y – 3 7 y 14 = 16 5 ANSWER 12 ANSWER 6 Solve the proportion.