Respuesta :
The original price is greater...cuz'
Say original price is $100, after 15% increase, it becomes $115. A decrease by 15%, the final price is 115*(1-15%)=115*0.85=97.75 < 100
Say original price is $100, after 15% increase, it becomes $115. A decrease by 15%, the final price is 115*(1-15%)=115*0.85=97.75 < 100