Respuesta :

Answer:

425 miles

Step-by-step explanation:

Cost = 180 + .28m  where m is the number of miles

We spent 299 dollars

299 =  180 + .28m

Subtract 180 from each side

299 - 180 =  180-180 + .28m

119 = .28m

Divide each side by .28

119/.28 = .28m/.28

425 = m