How many miles per gallon does Joseph’s car run on? _ miles per gallon

And answer the Part b so i make sure i'm right or wrong.

17 Miles Per gallon

Step-by-step explanation:

He has 16 gallons at the beginning on the week, and now has 12. Meaning he has used 4 gallon over 68 miles. Just do 68 divided by 4

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles