Thirty students were asked which of 3 activities was their favorite.
Two-thirds chose computer games.
Four times as many chose sports as
chose reading. How many students
chose reading?

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture