The slope would have to be -3
You’re absolutely amazing and I really appreciate that you’re trying to help others! And if you need anything yourself please feel free to ask :)
Your answer would be A.
according to the 30°, 60°, 90° triangle rules,
side a would equal x

and side c would equal 2x
30 granola bars
20/1×3/2= 30
~JZ
Hope it helps