An airline charges $150 for a ticket and $20

for each bag.

Which equation shows the relationship between the number of bags, b
, and the total cost, c

, for flying with this airline?
Answer options with 4 options
A.

b equals 20 c plus 150

B.

b equals 20 plus 150 c

C.

c equals 20 b plus 150

D.

c equals 20 plus 150 b