Answer:
Find out what x should be the apply by the power of 2 then you should be good
Well if C=1.3m , we substitue 18 into M and get C=1.3(18)= 234
so 234cm
Well if the price was $100 per couple and increased by 200% then it increased by 2 times the original price. So that means the price doubled so multiply. $100 by 2 which equals $200. So the current price is now $200.
