Question
In US, gas price $ 3. 5 per gallon
In India, petrol price Rs 100 per litre
Compute price in same unit and same currency.
Answer
To compare,
We will convert Indian price to dollors per gallon.
1 gallon = 3. 785 litres
1 litre of petrol = Rs 100
==>> 100 * 3.785 litres per gallon
==>> 378.5 Rs per gallon
1 US dollor = 89.8 Rs
We have 378.5 Rs per gallon
==>> 378.5/ 89.8 dollor per gallon
==>> 4.21 dollor per gallon
==>> 378.5 Rs per gallon == 4.21 dollor per gallon
==>> Petrol price in India is 4.21 dollor per gallon
==>> whereas in US it is 3.785 dollor per gallon
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