Level 2
Paul has a wooden pole, a plank and a rod. The wooden pole is 255 cm long. It is 45 cm longer than the rod. The rod is 25 cm shorter than the plank. Find the length of the plank.
Level 2
The mass of Box X is 140 kg. The mass of Box Z is 20 kg more than the mass of Box X. The mass of Box Y is 50 kg less than the mass of Box Z. What is the mass of Box Y?
Level 3
There were 130 boys and 25 more girls than boys at a concert. There were also 90 more adults than boys. How many people were at the concert altogether?