Answer: Axel picked
of blueberries each mile
Explanation:
For this exercise let "x" represents the amount of ounces of blueberries that Axel picked each mile, along the 3-mile walking path.
According to the information given in the exercise, you know that Axel picked a total amount of 50 ounces of blueberries along the walking path.
Then, knowing that the length of that walking path is 3 miles, you can set up the following proportion:

Now, the next step is to solve for "x" in order to find its value.
You get that this is:

Therefore, knowing the value of "x", you can conclude that Axel picked
of blueberries each mile.