Question 1115218
<br>
Informally, the ratio of the percentages is 15:20 = 3:4, so the ratio of X and Y has to be 4:3 for the product to be the same.<br>
Formally....
{{{.15X = .20Y}}}<br>
Solve for "X/Y" (the ratio of X to Y) by dividing both sides by .15Y:
{{{X/Y = .20/.15 = 4/3}}}