Level 3 The mass of a container when it is 17 full is 6.03 kg. The mass of a container when it is half full is 11.53 kg. What is the mass of the container when it is empty??
Level 3
There are 100 balls in a bag. 0.25 of them are red balls, and the rest are green and blue balls. If there are 14 as many green balls as blue balls. How many blue balls are there?
Level 3
Debbie spent $180 on a gown and 23 as much on a bag. She bought a pair of shoes that cost 45 as much as the bag. How much less did she spend on the pair of shoes than on the bag?