Answer is D.How old are the players on your softball team.
-10x + 48 = -6x+24
48 - 24 = -6x + 10x
24 = 4x
x = 24/4
x = 6
The answer to you’re question is 5 1/2 multiplied by 5 1/3. I submitted a photo showing how to put the answer.

So y=2x is the only answer that fit y=kx, while k=2