Level 3
At a farm, there were 47 as many ducks and chickens. There were 48 more chickens than ducks. The farmer sold away some chickens. In the end, there were 89 as many ducks as chickens. How many chickens were sold away?
Level 2
Jill thought of a number. When this number is rounded off to the nearest ten, it becomes 60. This number is also a common multiple of 4 and 8. What is the smallest possible number?
Level 3
Sarah had 35 as much money as Tricia. Sarah had $40 less than Tricia. Sarah spent some money to buy a birthday present for her friend. In the end, she had 14 as much money as Tricia. How much did Sarah spend on the birthday present?
Level 2
The mass of a bag of sugar is 200 g. The mass of a bag of flour is 600 g. Mrs Foo wants to buy an equal amount of sugar and flour. What is the least number of bags of sugar that she should buy?