Ragan makes beaded jewelry. The graph below shows the number of beads on varying cord lengths.

Jewelry
A graph has cord length (inches) on the x-axis and number of beads on the y-axis. A line goes through points (16, 48) and (24, 72).




Which is the best estimate of the number of beads on a cord that is 16 inches long?
5
8
44
48