T + t + t = 15 what is t???

Asap 25 pts + brainlest to right/best answer

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Write a problem for the equation 0.5n=12.5. then solve the equation and write the answer to your problem.