Which one is true and why

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?

What percent of 18 is 24? and plz explain thx.

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1