*y*/

*x*). According to this question the slope of that ramp is 7/16. We can actually BACKSOLVE this one, by basically taking our answers and plugging them into rise/run (or, like we said,

*y*/

*x*) to see which one will give us that same fraction. We know our rise (or

*y*) is 3.5 feet. With backsolve, always try (C) first:

(C) 3.5/20 = 7/40. Nope. Way too long on bottom. Go smaller.

(B) 3.5/12.5 = 7/25. Still too long on bottom, but getting warmer...

**(A) 3.5/8 = 7/16. BINGO.**

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