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In the last month petrol prices have increased by Rs. 5 per litre. Average monthly distance covered by Yamin's car is 600 km. If the car consumes 10 litre per 120 km, by how much Yamin's monthly expense has increased.

Note: Iknow he use average 50 litre petrol per month and his expense is Rs. 250. But im confused is cost per litre Rs.5 or cost per litre is x+5 ?

Thank you

Dear Student,

Please find below the solution to the asked query:

We are given that,average monthly distance covered by Yamini's car = 600 kmIt is also given that, Yamini's car consumes 10 litre petrol for covering 120 km.So, quantity of petrol consumed for covering 120 km = 10 litrequantity of petrol consumed for covering 1 km = 10120 litre = 112 litreQuantity of petrol consumed for covering 600 km = 112×600 = 50 litre.

Now, increase in the price of 1 litre petrol = Rs 5Since Yamini's car consumes 50 litres petrol in one month, soIncrease in the price of 50 litres petrol = Rs 5 × 50 = Rs 250Hence, we can say that, Yamini's monthly expenses has increased by Rs 250.

Hope this information will clear your doubt about this topic.

If you have any more doubts about just ask here on the forum and our experts will try to help you out as soon as possible.

Regards

 

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