Question

Use the image to answer the question.

An illustration shows a square with four stars along the edges, two squares attached with six stars along the outer edges; and three squares attached with eight stars along the outer edges.

The tables for a party are seated as 4 people at 1 table, 6 people at 2 tables, and 8 people at 3 tables. Use a sequence to determine how many tables would be needed for 16 people.

(1 point)
[?] tables

Answer 1

7 tables

Explanation: the sequence is 4, 6, 8,... which increases by 2 each time. Fit P(n)=2n+2 (with n = number of tables). Solve 2n+2=16 → n=7.