| 1.1 | More potatoes will cost more. | ||||||
| 1.2 | Direct proportion. | ||||||
| 1.3 | R106,69 | ||||||
| 2. | R51,36 | ||||||
| 3.1 | R467,23 3.2 119,154 liter | ||||||
| 4.1 | 84,933 minutes 4.2 13,797 km | ||||||
| 5.1 | 96 km/h 5.2 336 km 5.3 24,1875 minutes | ||||||
| 6.1 | 4,167 m 6.2 10,8 km 6.3 3,213 hours | ||||||
| 7.1 | No, they will dig the ground sooner/quicker. | ||||||
| 7.2 | Inverse proportion. | ||||||
| 7.3 | 1,2 days. | ||||||
| 8. | 34 children | ||||||
| 9.1 | 7 children 9.2 2 sweets | ||||||
| 10.1 | More liters of petrol will be needed to travel 100 km. | ||||||
| 10.2 | Direct proportion - more kilometers use more petrol. | ||||||
| 10.3 | 7,2 liters 10.4 258,333 km | ||||||
|