Determining total before discount
Determining total before discount
by Kysha Harris on 11/28/05 at 23:57:32
I have a business where I get a discount at a store. The store discounts each item so I don't know the total before the discount if I don't manually add all of the items together myself.
Here is the equation I have come up with. I just don't know how to solve it:
X - .10X = Y (ex. $125)
"the total minus 10% discount of total equals any variable"
please help me. You will be helping me to use my brain cells for good and not for evil.
Re: Determining total before discount
by Robert Fogt on 12/04/05 at 04:42:24
I thought I answered this already, sorry for the late reply.
You could use this formula instead:
x * 0.9 = y
Subtracting 10 percent is the same as multiplying by 90 percent.