Answer:
The answer is 3.)
Explanation:
3. 12p = 48
Start with 12p = 48
Your goal is to find the number of photos, p, that can go on each page. To do this, you need to isolate p (in other words, get p by itself)
Divide both sides by 12 and you end up with:
p = 4
3.5m questions
4.5m answers