If every shelf has the same amount of books, then it can be seen as proportional because one shelf has 43 and 2 have 86, and it keeps going up in a consistent way.
so 43/1 = 86/2 .
Happy studying ^-^
The correct answer is A and B because if you replace the m's with 4 than you do get the answer at the end of the equation. Hope this helps.
Answer:
B
Step-by-step explanation:
We can write

40% is the answer because 6/15 = 0.4