Question
A flask can fill up 4 cups. A bottle can fill up 3 cups. 1 flask and 4 bottles can fill up a tank. How many cups are needed to fill up the tank?
4 m

Click button first when a symbol is required. X

A flask can fill up 4 cups. A bottle can fill up 3 cups. 1 flask and 4 bottles can fill up a tank. How many cups are needed to fill up the tank?