john,'s bike cover a distance of 99.2km per 1.6 lites of petrol . if 1 litre of petrol costs rupees 70.2, how many does he need to buy the petrol needed to cover a distance of 186 km .
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Step-by-step explanation:
From this, 99.2/1.6 = 62 km per 1 litre of petrol
So, for 186 km, 186/62 = 3 litre of petrol is needed.
Now, 1 litre of petrol costs 70.2, so 3 litre of petrol will cost 3 * 70.2 = 210.6 rupees.
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