Question

10. A car uses 10L of gasoline to cover 85 km. How many liters of gasoline will the same car use to cover 297.5 km?
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with solution
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Answer 1

let us take X

10 L = 85 KM

then X= (297.5×10)/85

therefore X= 35 ltrs

Answer 2

Given,

The car uses 10 litres of gasoline to cover 85 kilometres.

To find,

Amount of required gasoline for that car to cover 297.5 kilometres.

Solution,

We can simply solve this mathematical problem by using the following mathematical process.

Here, we will be using normal arithmetic method.

Now,

Car can travel 85 km in = 10 litres of gasoline

Car can travel 1 km in = 10/85 litres of gasoline

Car can travel 297.5 km in = (10×297.5)/85 = 2975/85 =35 litres of gasoline

(This will be considered as the final result.)

Hence, the car needs 35 litres of gasoline.