Sergei uses 4 cups of ice cream to make 3 milk shakes. how many cups of ice cream does he need to make 5 milk shakes? a. cups of ice cream b. 4 cups of ice cream c. 5 cups of ice cream d. cups of ice cream

He will need 6 cups of ice cream to make 5 milkshakes! :)

You probably dont need this anymore but it would actually be 6 2/3

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: