Write the fraction as a difference 3x - 7/12

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

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Select all the expressions that will include a remainder.