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#1 2019-07-18 20:41:14
- Andrew Kin
- Guest
Algebra1
Including a 8% sales tax, an inn charges $189 per night. Find the inn's nightly cost before the tax is added.
I don't get it can some explaine to me please
thanks in advance
#2 2019-07-20 06:16:11
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,640
Re: Algebra1
hi Andrew,
I suggest making an equation from the information. Call the thing you ant to find x.
So the inn charges $x and then adds 8/100 times x as tax so you end up with x + 0.08x = 1.08x. We know that makes 189 so the equation is:
1.08x = 189. => x = 189/1.08
Hope that helps,
Bob
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob 
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