Ryan spent $3.25 on lunch every day, monday through friday. if he had $20 at the start of the week, how much money will he have left after friday?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?