Answer:
Interest would be 1200
Step-by-step explanation:
Express incrase as percent of original
incrase=new-original=680-500=180
percent increase=increase/original times 100=180/500 times 100=0.36 times 100=36
36% increase
A, B, and C are correct. My bad.
Answer:
A,B,E
Step-by-step explanation:

72 unit cubes thats the answer