Janelle buys 4 cases of water. each case of water contains 12 bottles. janelle drinks 3 bottles of water. veronica writes a numerical expression to represent the situation. her expression (12 - 3) x 4 has a mistake.

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?