Tim's taxicab business charges a fixed dollar amount to pick up passengers, plus a per-mile charge. The fixed cost, y, given as
a function of the number of miles, x, is y = 2x + 3. What is the per-mile charge, in dollars, for each additional mile? Enter your answer in the box. Use number(s) only.
Total purchase she did : $20.90+$18.95=$39.85 7% tax means that we have to 7% or (7/100) extra 7% X 39.85= 2.79 total pay: 39.85+2.79=42.64 total cash: $50 what she gets back: 50-42.64=7.36
