1) 1 1/8 : 3/4 = ? a) 3 : 2 b) 4.5 : 3 c) 18 : 12 d) 27 : 18 2) 3.75 : 1 1/3 = ? a) 90 : 32 b) 45 : 16 c) 135 : 48 d) 11.25 : 4 3) 1.6 : 2.8 = ? a) 16 : 28 b) 32 : 56 c) 4 : 7 d) 48 : 112 4) 5 3/5 : 21.6 = ? a) 3.5 : 27 b) 14 : 108 c) 56 : 216 d) 7 : 54 5) 1.6 : 3 3/7 = ? a) 56 : 81 b) 28 : 40.5 c) 14 : 20.25 d) 112 : 162 6) 1 2/3 : 2.8 = ? a) 50 : 84 b) 25 : 42 c) 5 : 8.4 d) 1 : 1.68 7) 1 1/2 : 2/3 = 18 : 8 a) True b) False 8) 2.25 : 1 5/9 = 81 : 56 a) True b) False 9) 2/3 : 3/4 = 16 : 18 a) True b) False 10) 8 : 12 = 2 : 3 a) True b) False 11) Nick's classroom is a rectangle with a length of 15m and the width of 11.25m. Express the ratio of the width and length in the simplest form. a) 15m : 11.25m = 4 : 3 b) 15m : 11.25m = 3 : 4 c) 15m : 11.25m = 6 : 8 d) 15m : 11.25m = 8 : 6 12) Justin measured his math book. The width is 25.2cm and the length was 29.4cm. Express the ratio of the width and length in the simplest form. a) 25.2cm : 29.4cm = 14 : 12 b) 25.2cm : 29.4cm = 7 : 6 c) 25.2cm : 29.4cm = 6 : 7 d) 25.2cm : 29.4cm = 12 : 14 13) Which answer is correct? a) 1.4 : 4.9 = 14 : 49 b) 1 1/3 : 2 2/5 = 5 : 9 c) 8 : 12 = 3 : 2 d) 1 3/4 : 1.5 = 7 : 6 14) Which answer is wrong? a) 9 : 27 = 3 : 9 b) 8 : 14 = 4 : 7 c) 0.625 : 3 3/4 = 1 : 6 d) 1/2 : 3/4 = 2 : 3 15) (? : ? = 1 : 7) Find the ? answer. a) 2 : 14 b) 4 : 28 c) 0.5 : 3.5 d) 0.25 : 1.75

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