200
Amber is hiking to the top of a mountain. She hiked 450 miles in the morning and 145 in the afternoon, but she still has not reached the top of the mountain. If M stands for the height of the mountain, which inequality represents the story?
A. 450 - 145 = M
B. 450 + 145 > M
C. 450 + 145 < M
D. 450 - 145 > M
C. 450 + 145 < M