1. In my household there are people and dogs. When we all go out for a walk, 5 heads and 14 legs leave the house.
Who lives in my house?
2. A classroom has 9 tables. Some seat 4 people and some seat 6 people. Altogether, the tables seat 46 people.
How many of each type of table are there?
3. In a playground there are three types of vehicle: bicycles, tricycles and toy cars. Altogether there are 13 vehicles with 37 wheels. There are the twice as many bicycles as cars.
How many of each vehicle are there?