Question

a motorcycle goes 120 km in 3 litre of petrol how much petrol will be required to go 690 km​

Answer 1

hopefully you can understand in the above attachment

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Answer 2

Answer:

To travel $690$ km, $17.25$ litres of petrol will be required.  

Step-by-step explanation:

Given : Distance travel by motorcycle = $120$ km

           Petrol used = $3$ litre

To find : How much petrol will be required to go $690$ km​?

Solution :

• It is given that the distance travel by motorcycle = $120$ km

           Petrol used = $3$ litre

• We have to find that amount of petrol required to go $690$ km.
• Let, $x$ be the amount of petrol required to go $690$ km.
• According to given data, the ratio becomes,

              $\frac{3}{120} =\frac{x}{690}$

• To find the value of $x$, transpose $690$ to other side, we get

             ∴ $x=\frac{3*690}{120}$

             ∴ $x=17.25$  

• ∴ To travel $690$ km, $17.25$ litres of petrol will be required.