For these problems, assume a sales tax rate of %.
5.1)
The price of a shelving unit is $
before tax. What’s the price you have to pay when you add the tax?
5.2)
A shopkeeper wants to be left with $
after selling a certain jacket. That means he wants the jacket to cost $
before tax. What will his customers have to pay for the jacket?
5.3)
A pair of trousers costs $
including tax. What’s the price before tax?
5.4)
A dress used to cost $
, and its price increased by a growth factor of
. What’s the new price of the dress?
You can find the solutions here.