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Two-step inequality word problems

You have $20\$20 to spend on taxi fare. The ride costs $5\$5 plus $2.50\$2.50 per mile.
Let mm represent the number of miles ridden. Write an inequality to determine how many miles you can ride for $20\$20.
What is the maximum whole number of miles you can ride for $20?\$20?
  • Your answer should be
  • an integer, like 66
  • a simplified proper fraction, like 3/53/5
  • a simplified improper fraction, like 7/47/4
  • a mixed number, like 1 3/41\ 3/4
  • an exact decimal, like 0.750.75
  • a multiple of pi, like 12 pi12\ \text{pi} or 2/3 pi2/3\ \text{pi}
miles