Solve the problem.
-A bike road race starts at an elevation of 590 feet and passes through 5 stages where the elevation changes by -355 feet, 443 feet, 565 feet, 82 feet, and 35 feet. At what elevation does the race end?
A)-2070 ft
B)619 ft
C)1360 ft
D)2070 ft

Question

Quizplus · Accepted Answer

Starting elevation = 590 ft
Change in elevation throughout the race = -355 + 443 + 565 + 82 + 35 = 770 ft (positive because there are more increases in elevation than decreases)
Ending elevation = Starting elevation + Change in elevation = 590 + 770 = 1360 ft Starting elevation = 590 ft 
Changes in elevation:

-355 ft (subtract)
443 ft (add)
565 ft (add)
82 ft (add)
35 ft (add)

Total change in elevation = -355 + 443 + 565 + 82 + 35 = 770 ft (add)

Ending elevation = Starting elevation + Total change in elevation = 590 + 770 = 1360 ft

Therefore, the race ends at an elevation of 1360 ft. The correct answer is Choice C.

Solve the Problem. -A Bike Road Race Starts at an Elevation of 590