Milo wants to have his birthday party at a local entertainment center. The center charges a flat fee of $30 for a room and party favors, plus an additional $6 for each party guest. Since Milo's parents have budgeted $75 for the party, to describe the situation they use the equation 30 + 6x = 75 which has a solution of x = 7.5 What is the BEST way to interpret this solution?
A.
Milo's party can only last up to 7 hours.
B.
Milo can only invite up to 7 guests to the party.
C.
The average cost will be around $8 per guest.
D.
After paying for the party, Milo's parents will get about $8 in change.