Sagot :
Answer:
1. P
2. P
3. NP
4. NP
5. NP
Step-by-step explanation:
multiply means and extreme then compare
example #1
3×12 = 36 (means)
4×9 =36 (extremes)
if both products are equal its proportion
Example #2
6×10 = 60 (means)
15×3 = 45 (extremes)
if products are not equal its not proportion