100 points will mark brainliest piecewise functions project

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10