Answer:
if d=2 and c=17
then c=68 and d=8
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Well if its between 10 & 20 take the median which is 15 and multiple it by the about of days which is 56 and you get 840 dollars <span />
"At most 12" means "the highest we can go is 12". Think of it as the ceiling. So x can equal 12 or it can be smaller. This means 
<h3>Answer: Choice A</h3>
Answer:
I'm thinking it's 42. Did you notice that there is a pattern?