Question

Translate into equation:
The angles of a triangle if one angle is one-fourth the second, and the third is the sum of the first two.

Answer 1

the total is \(180\)

Answer 2

if you call one \(x\) then the other is \(\frac{1}{4}x\) and the third is \(x+\frac{1}{4}x\)
add them and get
\[x+\frac{1}{4}x+x+\frac{1}{4}x=180\\
2\tfrac{1}{2}x=180\]