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Solving Problems involving Proportion: Study the examples on how to determine indicated quantities from a given proportion, then solve the items labeled as Your Task. Your Task р 1. Find º if 5p - 2r : 10 = r:7 - = r Examples If X: y = 5:4 find 4x - 3y : 4x + y Solution: 5 5y 4x = 5y = use x= V 4 4x-3y to find 4x + 4(5y) 4x - 3y - 4 4x + y 4(57) 1 + - Зу TM Sy – 3 y 5y + y 2y 67 - Therefore, 4x – 3y : 4x + y = 1:3​

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