I drove 250 miles on 12 gallons of gas how many miles per gallon am i getting

Answer 1

In problems like this you can think of the word "per" as division. So, in other words, you will be dividing the miles driven by the gallons of gas used:

250 miles / 12 gallons of gas = ?

The rest is simple division. If you have additional questions feel free to reach out :)