The approach ramp used by a daredevil motorcyclist for flying over a collection of flaming barrels of oil has a rise of 45 feet for every 90 feet in horizontal distance. Find the grade of the ramp. Round to the nearest whole percent.

a. 50%
b. 20%
c. 55%
d. 0.5%

Question

The approach ramp used by a daredevil motorcyclist for flying over a collection of flaming barrels of oil has a rise of 45 feet for every 90 feet in horizontal distance. Find the grade of the ramp. Round to the nearest whole percent.

a. 50%	
	 b. 20%	
	 c. 55%	
	 d. 0.5%

anonymous · Answer

a

anonymous · Answer

Grade (slope) is 45/90 and 45/90 = .5 which translates to 50% so a. 50%