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A car can go 150 km with 25 litrec of petrol. How far can it go with 30 litres of petrol?

Solution

Distance convered by car in 25 litres of petrol $-150 \mathrm{~km}$

$\therefore$ Distance covered by the car in I litre of petrol $=\frac{150}{25} \mathrm{~km}$

$\therefore$ Distuneo covered by the ear in 30 litres of petrol $=\frac{150}{25} \times 30 \mathrm{~km}=180 \mathrm{~km}$

Hence distance covered by the car in 30 litres of petrol $=180 \mathrm{~km}$

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