A scooter requires $2$ litres of petrol to cover $80$ km. How many litres of petrol is required to cover $1$ km?

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Solution

Given a scooter requires 2 liters of petrol to cover 80 km.
So, by unitary method, 1 liter of petrol covers 40 km
$\Rightarrow$ 1 km require $\frac{1}{40}$ liters
= 0.025 liters of petrol

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A scooter requires 2 litres of petrol to cover 80km. How many litres of petrol is required to cover 1 km?

Given a scooter requires 2 liters of petrol to cover 80 km.So, by unitary method, 1 liter of petrol covers 40 km⇒ 1 km require 140 liters= 0.025 liters of petrol

A scooter requires $2$ litres of petrol to cover $80$ km. How many litres of petrol is required to cover $1$ km?

Given a scooter requires 2 liters of petrol to cover 80 km.
So, by unitary method, 1 liter of petrol covers 40 km
$\Rightarrow$ 1 km require $\frac{1}{40}$ liters
= 0.025 liters of petrol