Answer:
n = 80
Explanation:
If 15% of n = 12, we can write an expression
15% = 0.15
of means multiply
0.15n = 12
Isolate n by dividing both sides by 0.15
n = 80
I will edit my answer after you clarify what 15% x n = 12 means
Hope this helps :)
Have a great day!