Robert wants to have his birthday party at a bowling alley with a few friends, but he can spend no more than $80. the bowling alley charges a flat fee of $45 for a private party and $5.50 per person for shoe rentals and unlimited bowling.
a. write an inequality that represents the total cost of roberts' birthday party given his budget.
b. how many people can robert pay for (including himself) while staying within the limitations of his budget?