Question

If 2/3 = x/y, then which of the following must be true?

(2 + x)/3 = (x + 2)/y
3/2 = x/y
(2 + 3)/3 = (x + y)/y
(2 + 1)/3 = (x + 1)/y

Answer 1

FAN AND MEDAL TO FIRST ANSWER

Answer 2

\[\huge \frac{2}{3}=\frac{x}{y}\iff 2y=3x\]

Answer 3

or if you flip both sides then
\[\frac{3}{2}=\frac{y}{x}\]