A school generator consumes 2.5 litres of diesel per hour of operation. How many litres are required for 14 hours of continuous running?
Answer and explanation
Correct answer: D. 35 litres
- Step 1: Multiply consumption rate by hours: 2.5 14. Step 2. Calculate: 2 14 + 0.5 14 = 28 + 7 = 35 litres. Answer: 35 litres. Why not the others:* 30 litres multiplies by 12; 32.5 litres multiplies by 13; 37.5 litres multiplies by 15.
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