Susan has a bag of marbles. She gives 2 marbles to her brother each day. If she starts with 10 marbles, how many marbles will Susan have left after 5 days?

Question

Susan has a bag of marbles. She gives 2 marbles to her brother each day. If she starts with 10 marbles, how many marbles will Susan have left after 5 days?
A. 0
▶B. 2
C. 3
D. 4