Answer:
2
Step-by-step explanation:
30 - 20 = 10
15 - 10 = 5
10/5 = 2
OR
10/5 = 2/1 = 2
Answer: 2
m = 10 ÷ 5
10 ÷ 5 = 2
2 x 1 = 2
The answer to the question is 2.