Pls help me, I don’t understand

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?

How do you determine if an ordered pair is a solution to a given equation?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is