Three friends, John, Andres, and Carson are saving different amounts of money each
week. John started with $12 and added $7.50 every week. Andres's savings are
represented by the table below, and Carson's savings are represented by the graph
below.
Andres's Savings
Weeks (x) Total Savings (y)
5
$39
7
$49
9
$59
11
$69
