How much do you need to subtract from 53/6 to make 8

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Yo need asap pls ! markin da brainiest too !