Direct Proportions

<p>This is from Pwn the SAT's Math Guide Beta. I really hope the author doesn't mind me posting a screenshot of one of the problems. </p>

<p>Untitled</a> - Minus.com</p>

<p>I think the answer is A. Is that right. No, the book doesn't have a solution, hence "beta."</p>

<p>Did you happen to find a solution for this problem? I would like to know as well. I kinda gave up on the direct and inversely proportion problems on the SAT haha.</p>

<p>It’s A, lol.
Reasoning: constants don’t affect proportions.</p>