Using a double number line how can you find the full budget of 75%of 1200

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Which number line represents the solution set for the inequality -1/2x> 24?

Someone answer this check out the image!