DEMO-C-32 • Programming in C
A tax of 15% is applied to items sold in a store. Given the total price, including tax, for an item, find the original price of the item. You should derive a simple formula to calculate the original price from the price with tax by yourself!
p is positive real number
One real value p represents the item price including tax
The original price of the item shown as follows:
original price = x
where x is calculated from p, and x is shown with two decimal places.
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5
original price = 4.35
12.5
original price = 10.87
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