Foundation Mathematics Primary 5 Rate

A car uses 6 litres of petrol every 40 km. How many litres does it use to travel 100 km, at the same rate?

A 20 litres
B 18 litres
C 12 litres
D 15 litres
Show Worked Solution

Worked Solution

Step 1: Find the unit rate (litres per km). Rate = 6 ÷ 40 = 0.15 litres per km. Step 2: Multiply by 100 km. 0.15 × 100 = 15 litres. Answer: 15 litres

Correct answer: 15 litres

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free