Suppose your school plans a musical. the directors goal is ticket sales of at least $4500. adult tickets are $7.50 and student tickets are $5.00. let a represent of adult tickets and a represents the number of student tickets. which inequality represents the director's goal?
a)5a+7.5s< 4500
b)7.5+5s> 4500
c)7.5+5s< _(less or equal)4500
d)7.5a+5s> _(greater or equal)4500

D because it says you will be getting at least 4500 or more dollars by adding the adult and student tickets

Lets make an estimation

Lets estimate that 4 buns are bought = 4*40
                                                            = 160 p
                                                            = 1.60 euro

Lets estimate that 5 cakes are bought = 5*55
                                                            = 275 p
                                                            = 2.75 euro

Total money spent = 1.60 + 2.75= 4.35

Therefore,  4 buns and 5 cakes are bought.