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.
Level 3
The total mass of a robot, a Lego set and a toy car is 3 kg 33 g. The Lego set is twice as heavy as the robot. The toy car is thrice as heavy as the Lego set. Find the total mass of the robot and the toy car. Give the answer in kg and g.
