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
There are 3 pieces of strings with a total length of 2 m 96 cm. The first piece of string is 40 cm more than the second piece of string while the third piece is twice the length of the first piece of string. Calculate the length of the third piece of string. (Write the answer in metres and centimetres.)
Level 3
There are 3 strings of different length. The first string is 18 cm more than the second rope and the third rope is twice the length of the first rope. Given that the total length of the 3 ropes is 1 m 74 cm, find the length of the first rope.
