On the first part of a journey, Alan drove a distance of x km and his car used 6 litres of fuel. The rate of fuel used by his car was 600 litres per 100 km.
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Answer:
6/(x+20) Liter per 100 kg.
Step-by-step explanation:
Given,
The number of litres consumed by car in (x+20) km = 6,
So, number of litres consumed by car in 1 km = \frac{6}{x+20}x+206 ,
Now, number of litres consumed by car in 100 km = 100 × litres consumed by car in 1 km
=100\times \frac{6}{x+20}=100×x+206
=\frac{600}{x+20}=x+20600
Hence, the rate of fuel used by his car would be \frac{600}{x+20}x+20600 litres per 100 km.
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