Answer:
Six cents per square inch
Step-by-step explanation:
<span>Three equivalent fractions are, 6/10, 9/15, 12/20</span>

the memory is the independent, because that can vary at will, so it's independently varying at will, whilst the amount of songs are limited to how much memory there's in the CD, so the songs are dependent on the memory availability.
4 trays are needed because your number is 3.75 and you need another tray for the rest
Two 2.5 pound bags = 5 pounds for $34.99
34.99/5 pounds = 6.998 or $7/pound