Please help with is im so confused!​

Manuela solved the equation below. what is the solution to manuela’s equation?

Fifty students are trying to raise at least 12,500 for a class trip. they have already raised 1,250. how much should each student raise on average in order to meet the goal? write and solve the two step inequality for this problem

The graph shows the function y equal 3x-1 what are the coordinates of the intercepts