(not sure about my answers)
1. B
2. A
3. A
4. A
5. A
6. A
7. A
8. B
9. B
10. A
Explanation:
1. must have the same units
2. the order of terms in a ratio is one of the most important thing
3. three forms: colon, word and fraction
4. example: 3:4 = 6:8 ; 3x8=24 ; 6x4=24
5. in the example above, 3 and 8 are the means.
6. in the example above, 4 and 6 are the extremes.
7. partitive proportions
8. this is inverse proportion
9. this is direct proportion
10. just like in number 4, the product of the means and the product of the extremes are equal.
