A mobile phone–based taxi service charges a base fee of $2 plus an amount per minute and anadditional amount per mile for the trip. Ariel is charged $16.94 for a ride that takes 14 minutes and travels 10 miles. Victoria is charged $11.30 for a ride that takes 10 minutes and travels 6 miles.7. What is the per-minute charge?8. What would be the charge for a ride that takes 8 minutes and travels 5 miles?