11,13 can u plz someone help me with this and show work bc I’m not understanding this plzzz and thank you

Steve had 48 chocolates but decided to give 8 chocolates to each of his ff coworkers. how many chocolates does steve have left? write your answer as an expression.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?