I need the answer by tmr!!!

HELP PLZZZZZZZZZ


The price of a professional sound system was reduced by 15%. What is the new price, if the original price was d dollars?

Respuesta :

x=d-15. Duh.
think about it, its equal to the original price minus 15%
I think the set up for the problem may be x=d•(times) 0.15

x = 0.15d