If a line of one billion people standing shoulder to shoulder stretches 346,439 miles long, what is the average shoulder width, in feet, of the people in the line?

Step-by-step explanation:

Given : If a line of one billion people standing shoulder to shoulder stretches 346,439 miles long.

We know that 1 mile =5280 feet

Then, the length of line= feet

We know that 1 billion can be written as :

Now, the average shoulder width of the people in the line :-

Hence, the average shoulder width of the people in the line is about