PLS ACTUALLY HELP ITS DUE IN 5 MINSSSSSSSSSSSSS HELP PLEASE PLEASE PLEASE :(

Answer:
b
Step-by-step explanation:
because it really does depend on the number of bricks
Answer:
It depends on the number of bricks.
Step-by-step explanation:
As b is the number of bricks in the equation then we wouldn't be able to identify the fee per load unless specified with a number.