If the price of petrol increases by 25% and Benson intends to spend only an additional 15% on petrol, by how much % will he reduce the quantity of petrol purchased?

• Let the initial amount be 100.
  Then,increased amount is 125. Additional amount spent is 115.
  so, (125-115)/125*100=8%.
  
• 9 years agoHelpfull: Yes(0) No(0)