Gabrielle is planning her 16th birthday party. her parents give her a budget of $500 to spend on the party. she wants to take her friends to Putt-Putt and laser tag. Putt-Putt course provides food and ice cream for $150 regardless of how many people she brings. laser tag cost $20 per person for the day. write an inequality to model the situation. let p represent the number of people she can invite.