# If the cost of one litre of petrol is $Ã¢â€šÂ¹\ \frac{285}{4}$, find the cost ofÂ $ \frac{3}{4}$ litres of petrol.

__Given__: Cost of one litre of petrol is $â‚¹\ \frac{285}{4}$.

__To find__: cost of $ \frac{3}{4}$ litres of petrol.

__Solution__:

$Cost\ of\ 1\ liter\ of\ petrol\ =\ â‚¹\ \frac{285}{4}$

$Cost\ of\ \frac{3}{4} \ liter\ of\ petrol\ =\ â‚¹\ \frac{285}{4} \ \times \ \frac{3}{4}$

$Cost\ of\ \frac{3}{4} \ liter\ of\ petrol\ =\ â‚¹\ \frac{855}{16}$

So, the answer is $\frac{855}{16}$.

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