What could you do to solve the problem below?
When Sabine set off to climb Mt. Marcy, she had 18 gummi bears in her bag.
When she returned to the lodge, she had 6 gummi bears left. How many
gummi bears did she eat during her hike?
A. Subtract 6 from 18
B. Multiply 18 by 6
C. Divide 18 by 6
D. Add 6 to 18