I think you need to post a graphic.
Answer:
667.30
Step-by-step explanation:
Well we can right this equation as 800(.985)^x it's an exponential function then we substitute x for 12 and get 667.30
Answer:
25$
Step-by-step explanation:
If 4 stickers cost 2$, then each sticker would cost .50$
50(.5)=25
You would have spent 25$
Multiply $1.50 with the $12 and get $13.10