Must be at least 16 by January 1st of the year of the olympics
Answer: I think D
Explanation:
The Appalachian Mountains, often called the Appalachians, are a system of mountains in eastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They once reached elevations similar to those of the Alps and the Rocky Mountains before experiencing natural erosion.
I'm not sure if you mean:
3/(4x) = 1/5
or
(3/4)x = 1/5
Let's do both, just to be sure.
Starting with the first one:
3/(4x) = 1/5
3 = 4x/5
15 = 4x
x = 15/4
The second:
3x/4 = 1/5
3x = 4/5
x = 4/15