Ryder's gas tank was full and then ryder's car traveled 273 before running out of gas. the tank holds 13 gallons. how many miles per gallon does ryder's car average?

21 miles per gallon

Step-by-step explanation:

First, you need to list the information that have been given.

The question is asking for how many miles per gallon the car can travel on average. So, you have to divide the number of miles that a full gas tank can give by the amount of gallons a full gas tank is.

After dividing the values, you should end up with 21 miles per gallon.

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