At a little-known vacation spot, taxi fares are a bargain. a 42-mile taxi ride
takes 49 minutes and costs $29.40. you want to find the cost of a 31-mile taxi ride. what unit price do
you need?
you need the unit price $
per mile
to find the cost of a 31-mile taxi ride.

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?