Two taxi companies are starting two different companies. Company A charges 5 dollars to pick you up and 0.50 cents a mile. Company B charges 8 dollars to pick you up and 0.25 cents a mile.
Variable: ? Equation: ?
This is not a very clear question... although I think this is the answer:
variable: x
equation 1:$\dfrac{x}2+5$
equation 2:$\dfrac{x}4+8$