Sagot :
If x is the price before a sale
x-0.15x=x-3
0.85x=x-3
3=0.15x
x=20
The original price is $20
x-0.15x=x-3
0.85x=x-3
3=0.15x
x=20
The original price is $20
Answer: The original price of her music CD before discount is $20.
Step-by-step explanation:
Let x be the original price of her music CD.
Discount rate = 15%
At discount she saved = $3
So, According to question, our equation becomes
15%x= 3
0.15x= 3
x=$20
Hence, the original price of her music CD before discount is $20.