It's the same as x^211 = 8^152
Simplify that equation. Find the 211th root of (8^152), and that is what x equals. If I remember logs correctly...
I do believe it would be 12 percent, if rounded.
18<span>,36,54,72,90,108,126,144,162,180,198,216,234,252,
hope this helps!</span>
The answer is the first page, first graph