If the price of petrol increases by 25% and Kevin intends to spend only 15% more on petrol. By how much percent should he reduces the quantity of petrol that he buys?
Choose the correct choice from the following choices:
A) 8
B) 9
C) 7
D) 2
E) 6
Explanation:   Let Petrol Price 100 per Liter and Quantity he purchases equals to 100 Liters   Then total expenditure = 100 × 100 = 10000   Petrol Price is increased by 25%. So new price = 125 per litre   And he increases the expenditure by 15%. So expenditure limit = 11500   Now his quantity = 11500/125= 
<gadget id="calculator">11500/125</gadget>
<output>92</output>
92 liters   So the quantity is reduced by 8%   8nswer: 8
<result>A</result>
If the price of petrol increases by 25% and Kevin intends to spend only 15% more on petrol. By how much percent should he reduces the quantity of petrol that he buys?