Take baseline amount of 75 dollars and divide it by 4. This will get you to the answer 11.25. Use 11.25 and multiply it by what she received in rewards. 11.25 times 44 equals....495!
Alrighty (so what I did to find the answer is went to desmos and typed this equation in and then hit the bar thingy on the left and it turned it into a fraction)The awnser is B or 81/16