Answer:
I believe the answer is a
Step-by-step explanation:
5(8-2)
5*8=40
5*2=10
40-10=30
also you can think if it like this, each picture is $5, if she gets 8 it'll cost $40 because 5*8=40. but if 2 of her friends don't want one then it'll cost $30 because 5*6=30.
