Adults pay = $33.60
Children pay = $16.80 (it's half price but if they take a round trip it's double the price. Therefore it's $16.80) then multiply both by two and add them together.
2 ($33.60+$16.80) = $100.80
4x^2+12x+7x
4x^2+19x
Was it meant to equal something or are you just simplifying the equation?
No answers
parallel lines
same slope
7 . 0.05145631067 the answer to 7
