The answer is b.6, you set up a proportion of the corresponding sides in both triangles...12/9=8/x solve for x and get 6.
I think you forgot to post the figure because i do not see any sort of figure.
75 cents is for 1lb
I got that answer because I divided 3.75 and 5 and the I got 75 cents
I think it would be A but I'm not sure ._.
Answer: C Hope it's helpful