Question

Use the table to answer the question.

This table displays the relationship between the number of attendees and the cost of party in dollars.
Number of Attendees Party Cost ($)
0 250
20 480
50 825
70 1,055
There is a fee to rent a party space for a birthday event. There is an additional fee for each person who attends the party. The table represents the graph that displays this relationship between party cost and number of attendees. What is the price per attendee?

(1 point)
Responses

$250
$250

$11.50
$11.50

$115
$115

$24
$24
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Answer 1

Find the slope (change in cost ÷ change in attendees). From 0 to 20 attendees the cost goes from \$250 to \$480: (480 − 250) ÷ 20 = 230 ÷ 20 = \$11.50 per attendee.

Answer: $11.50