2. the length of 45 cm and 100 cm could be expressed as _____
A. 9:20
B. 20:9
C. 45:100
D. 100:45
3. a recipe calls for 6 cups of milk to 8 cups of flour. write in simplest form the ratio of the number of cups of flour to the number of cups of milk in this recipe.
A. 34
B. 4:3
C. 6:8
D. 8:6
4. choose 3 ratios equavalent to as.
A.6/8, 9/12, 12/16
B.4/5, 3/6, 7/8
C.9/16, 12/18, 15/21
D. 9, 4/5, 7/9​