Table - Weekly Fuel Usage (Litres)
| Vehicle | Mon | Tue | Wed | Thu | Fri |
| Truck 1 | 18 | 20 | 22 | 21 | 19 |
| Truck 2 | 25 | 24 | 26 | 23 | 24 |
Q: What is the overall average daily fuel usage for both trucks?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 22.2 litres.
Total fuel used:
Truck 1 = 18 + 20 + 22 + 21 + 19 = 100 litres
Truck 2 = 25 + 24 + 26 + 23 + 24 = 122 litres
Total fuel = 222 litres
Total days = 10
Average = = 22.2 litres
Overall average daily fuel usage = 22.2 litres