The table below shows the cost of downloading songs from a website.

Number of Songs Total Cost
16 $19.36
18 $21.78
20 $24.20

What is the constant of proportionality between the total cost and the number of songs?​

The table below shows the cost of downloading songs from a website Number of Songs Total Cost 16 1936 18 2178 20 2420 What is the constant of proportionality be class=