Answer:Which ratios form a proportion? Use equivalent ratios to test each pair.
A. 4/9, 2/3 B. 6/15, 9/12 C. 12/16, 15/20 D. 18/ 20, 24/30 2. Which ratio forms a proportion with 20/30? Use equivalent ratios to test each ratio.
A. 16/24 B. 10/20 C. 17/51 D. 16/60 3. Which ratios form a proportion? Use cross products to test each pair.
A. 15/40, 35/90 B. 18/22, 45/55 C. 12/55, 33/121 D. 17/31, 32/45 4. Which ratios form a proportion? Use cross products to test each pair.
A. 9/17, 27/50 B. 12/35, 24/75 C. 15/55, 32/121 D. 12/35, 20/70 5. Which ratios do not form a proportion? A. 24/96, 27/108 B. 17/102, 12/70 C. 21/51, 35/85 D. 45/75, 63/105.
