The information below describes a data plan for a storage device.
• The plan has a monthly fee of $5.
$2 per month is charged for each gigabyte of data stored.
Which equation can be used to determine c, the total cost in dollars per
month, for storing d gigabytes of data?
A) c=5+2d
B) d=5+2c
C) d=2+5c
D) c=2+5d