Level 3
A videocam costs $200 less than a printer. A laptop costs twice as much as a printer. Given that the total cost of a videocam, a printer and a laptop cost $6200, find the cost of the videocam.
Level 3
Amy, Beatrice and Nellie spent a total of $83. Beatrice spent 3 times as much money as Amy. Nellie spent $8 more than Amy. How much did Amy spend?
Level 3
In a school carnival, Class 3A collected $108 and Class 3B collected 3 times as much as Class 3A. Class 3C collected $76 less than Class 3B. How much did Class 3C collect?