John bought a motorcycle that advertises its mileage as being 90 km/litre, but the actual mileage is 20% less than that. If John fills 2 litres of petrol in his motorcycle, how many kilometres can he travel before the petrol gets over?
(with explanation)
A. 90 km
B. 144 km
C. 80 km
D. 216 km
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Answer:
Step-by-step explanation:
90×2=180
20%
180×20÷100
==36
So joh will travel 36km before the petrol gets over
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