Sagot :
Answer: All of them
Explanation: 1. 13/9 = 26/18
- 13 × 2 = 26
- 9 × 2 = 18
3. 4 : 9 = 12 : 27
- 4 × 3 = 12
- 9 × 3 = 27
5. 3 : 7 = 12 : 28
- 3 × 4 = 12
- 7 × 4 = 28
Answer: All of them
Explanation: 1. 13/9 = 26/18
- 13 × 2 = 26
- 9 × 2 = 18
3. 4 : 9 = 12 : 27
- 4 × 3 = 12
- 9 × 3 = 27
5. 3 : 7 = 12 : 28
- 3 × 4 = 12
- 7 × 4 = 28