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?

Let us first convert the length from miles to feet. 1 mile = 5280 ft

length = 346,439 mile * (5280 ft / 1 mile)

length = 1,829,197,920 ft

So the average shoulder width is simply the quotient of the length and number of people, that is:

average shoulder width = 1,829,197,920 ft / 1,000,000,000 people

average shoulder width = 1.83 ft

536

step-by-step explanation:

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8