A cart rolls down a hill, traveling 5 inches the first second and accelerating so that during each successive 1 -second time interval, it travels 7 inches more than during the previous 1 -second interval. The cart takes #30#seconds to reach the bottom of the hill. How far, in inches, does it travel?
Answer Choices
A. 215
B. 360
C. 2992
D. 3195
E. 3242