EXERCISE 8B D D ha 1. Determine if the following ratios are in proportion. a. 20 g: 200 g, 700 g : 7 kg c. 400 m: 2 km, 60 cm: 200 m e. 250 : 200, 20 m: 80 m b. 500 ml : 750 ml, 80 kg:16, aer d. 50 men : 250 men, 5:3214 f. 3:7 and 9:21 dist C. 2:18 = f. x: 15 1 2. Find the value of x in each of the following proportions. a. 12: x = 3:9 b. x: 10 = 4:40 d. 20:5 = 28:x e. 102: x = 204 : 102 3. Find the fourth proportion in each of the following. a. 10, 20, 30 b. 5, 25, 30 c. 2, 24, 12 e. 12, 3, 40 f. 360, 60, 120 d. 7, 491E n
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A) 20/200 = 1/10 = 1:10
b) 700/7 = 100/1 = 100:1
C) 400/2= 200/1 = 200:1
D) 60/200 = 3/10 = 3:10
E) 250/200 = 25/20 = 5/4 = 5:4
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