Given the number of people that are going on the trip, what is the total amount you will spend on food and lodging each day?
$700
Given the number of people that are going on the trip, what is the total amount you will spend on luggage for everybody?
600
Now use the amount you spend on Daily expenses to make an equation in y=mx+b form that will give you the expenses (y) for any amount of days (x).
Total Expense equation: