What is the base price for the ballroom rental?

Question

Tabitha is renting a ballroom for an upcoming dinner reception. The rental fee for the ballroom includes a base price plus the cost of dinner per person. The table below shows the cost of the ballroom rental in relation to the number of people attending the dinner reception.

 

No. of Attendees	20	40	60
Total Rental Cost	$480	$660	$840

 

 

What is the base price for the ballroom rental?

A. $180

B. $60

C. $9

D. $300

Answer 1

Hi Michael

 

Let X = rental

and n= cost of dinner per person

 

X + 20n = 480

X + 40n = 660

X = 60n = 840

 

Solve any to to get X and n

X = 300 and n= 9