There are 18 boys and 12 girl in math class. what is the ratio of girls to total students. a. 18: 30 b. 12: 30 c. 30: 12 d. 30: 18 2. which of the following ratios are equivalent to 6: 9. choose all that apply a. 3: 2 b. 18/27 c. 30: 45 d. 24/32 3. what is the unit price for one cd if 3 cds cost $29.85? a. 9.65 b. 8.95 c. 9.95 d. 9.85 4. milo types 34 words per minute. how many words can he type in 7 minutes? a. 245 words b. 240 words c. 250 words d. 275 words