Question: If a walkway rises 2.5 ft for every 10 ft on the horizontal, which of the following express its slope (or grade)? (There are several

If a walkway rises 2.5 ft for every 10 ft on the horizontal, which of the following express its slope (or grade)? (There are several correct choices.)

A. 0.25

B. 4

C. 2.5/10

D. 25%

E. 1/4

F. 10/2.5

G. 400%

H. 2.5%

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