David drives 168 miles a week for work. he fills his gas tank twice a week. each fill up is for 12 gallons. assuming he uses all of the gas each week and only uses the car to travel to and from work, what is the gas mileage of his car? (gas mileage = miles/gallons)

David's car gives mileage 7 miles per gallon

Step-by-step explanation:

David drives in a week = 168 miles.

He fills his gas tank twice a week, each fill up is for 12 gallons = 12 × 2 = 24 gallon per week

To calculate the mileage of David's car we use the formula

Gas mileage =

=

= 7 miles per gallon

David's car gives mileage 7 miles per gallon

what does x eaqual

step-by-step explanation: