Sanjana has decided to buy a car. She has to choose between a diesel car and a petrol car. The diesel car costs ₹15600 more than the petrol car. However, it can travel 13 kilometres per litre, whereas the petrol car can only travel 12 kilometres per litre. Also, diesel costs ₹44.20 per litre, and petrol costs ₹72 per litre. If she buys a diesel car, how many kilometres must she drive before the savings in fuel covers the extra price of the diesel car?
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Answer:
6733km
Step-by-step explanation:
We need to know the LCM of 12 and 13, which is 156
If she travels by diesel car, it will cost her $574.6
If she travels by petrol car, it will cost her 936
She can save 361.4 by travelling 156km
She has to cover around 6733km to save $15600
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