Four and fourty nineI hope this helps !
Presuming the question is "How many points did he miss", you would find the solution by multiplying the amount of possible points by the test score as a fraction. 96% is the fraction

. Therefore, you get the equation

. This is equal to 72, so he missed 3 points, or 75-72 points.
He missed 3 points.
He would need to at least 44 to sell before breaking even.