original price

Question

After a 70 %

?reduction, you purchase a new DVD player

on sale for ?$168
.
What was the original price of the DVD player
??

Answer 1

Let x=original price.

 

Let (1-0.70)*x=new price

 

168=new price

 

Set (1-0.70)*x=168

 

0.30*x=168

 

x=168/0.30 or $560.