Level 3
The total heights of three ostriches is 1225 cm. Ostrich A is twice as tall as Ostrich B. Ostrich C is twice as tall as Ostrich A. What is the height of Ostrich C?
Level 3
A lace is twice as long as an umbrella. The umbrella is thrice as long as the stick. The total length of the lace and the umbrella is 3 m 6 cm. Find the total length of the lace, the umbrella and the stick. Give your answer in m and cm.
Level 3
A box is thrice as long as a book. The book is twice as long as a notebook. The box is 7 m 15 cm longer than the notebook. What is the total length of the book and the notebook?
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.)
