Hi! Can anyone answer these five questions please? (with some workings)
1. Jim walks 3 miles in 51 minutes. How long would it take him to walk 2 miles?
2. In 7 hours Carla can earn £52.50. How much can she earn in 4 hours?
3. A car uses 9 litres of petrol to travel 126 km. How far will it travel on 5 litres of petrol?
4. A watch loses 90 seconds in 15 hours. How much will it lose in 7 hours?
5. £450 can be exchanged for $630. How many dollars would you get for £290?