Answer:
$3 per attendee
Step-by-step explanation:
($100 - $40) / (20 - 0) = $3 per attendee
Answer: The area is 180 square millimeters.
The length is 15 mm and the width is 12 mm. The length if the perimeter-- if you were going to ask that is
(2)(15) + 2(12)
54mm.
