5 gallons of gas last 100 miles. How many miles per gallon

20 miles per gallon.

Step-by-step explanation: All you simply need to do is to find how many miles is 1 gallon of gas.

Step 1: Divide 5 gallons by 5      5 divided by 5 = 1 gallon of gas

Step 2: Divide 100 miles by 5     100 divided by 5 = 20 miles

Step 3: 1 gallon equals 20 miles.

So, for every 1 gallon of gas, you will travel 20 miles.

total of apples - take away four

6-4 = 2

answer is 2 apples

7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13