Answer:
A
Step-by-step explanation:
A have a positive line going up.
48:24 = 24:12 = 12:6 = 6:3 (divide each number by 2 or multiply by 2)
(2+1)+3=2+(2+2)
Any two numbers that add to 4.
Changing the order may not affect the answer in some situation, however it's not a rule.