Suggested Time $11$ minutes:

Children's Charities has an annual fundraising golf tournament. A local caterer provides the lunch and a tent. The charity pays a flat fee for the tent and an additional amount for each golfer served. However, in the past the charity has never been able to determine how much the caterer is going to charge. To determine how much the caterer will charge this year, the charity has tracked the cost and attendance data over the past five years:

$\backslash$table$[[$Attendance$,,$Caterer Cost$],[210,,$$$6,410$