JAMB - Mathematics (2016 - No. 36)
If a car travels 120km on 45 litres of petrol, how much petrol is needed for a journey of 600km?
720 litres
160 litres
225 litres
960 litres
Explanation
120km \(\to\) 45litres
1km \(\to\) \(\frac{45}{120}\)litres
600km \(\to\) \(\frac{45}{120}\) x 600 = 225litres
1km \(\to\) \(\frac{45}{120}\)litres
600km \(\to\) \(\frac{45}{120}\) x 600 = 225litres