The <span> answer is 6.75. Since if you divide the number by 8 you get 6.75.</span>
It would last 13.5 weeks because you would make a proportion:
12/16 = x/18 and then cross multiply. You would get 216=16x, then you have to divide both sides by 16 to get x = 13.5
3.8 is the answer you already figured it out
No it’s not as its not constant and its a fraction
