If there were 20,528 voyages made by ships and 12 million slaves, how large was the average human cargo aboard a ship?

About 585 slaves aboard each ship.

Explanation:

If you divide the amount of voyages (20,528) by the number of slaves (12,000,000) you will get a decimal that rounds up to 585.

Step one) Divide the number of slaves by the number of voyages

Step two) Round your answer to the nearest whole number

Hope this helps!

companies sell stock to their businesses grow and become "public"

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office