Respuesta :

Answer:

28.5 miles per gallon

Step-by-step explanation:

Take the number of miles and divide by the gallons

399/14

28.5

28.5 miles per gallon

Answer: 28. 5 miles per gallon

Step-by-step explanation:

To do this you must divide 399 by 14

399  ÷  14 = 28.5

To check:

28. 5 × 14 = 399