Question 6

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waecmaths question: 

A car uses one litre of petrol for every 14km. If one litre of petrol cost N63.00, how far can the car go with N900.00 worth of petrol?

Option A: 

420km

Option B: 

405km

Option C: 

210km

Option D: 

200km

waecmaths solution: 

N900 worth of petrol be $\frac{900}{63}litres=\frac{100}{7}litres$

The distance covered by the petrol brought will be $\frac{100}{7}\times 14km=200km$

maths year: