piggykid1

A ship has a volume of 85,000 cubic tons. The density of steel is 8 grams/milliliter and air is 0.001 grams/milliliter, what percent of the ship must be air to float in the water. ("The water" is 1 gram/milliliter) Thank you very much! Also I have to show work so a brief explanation would be great!

What YouTube channels do you watch?

So I was reading my first topic last night and it was about Astronomy. Everybody seemed to know a lot. So I was wondering where did you guys learn what you know (about the branches of science that you discuss about).