Your favorite store is having a sale! You pay full price for the most expensive item that you get, but then you get 30% off of everything else in your purchase! How much are you going to save? Sales tax is 7%. Also, you leave anything below a dollar in your saving as a tip to the seller. If your saving is a round amount, you don't leave any tips.
Given the prices of items you want to purchase, determine how much you will save during your shopping!
An string of numbers separated by commas that represent the prices for all of the items that you want to purchase (without tax).
An integer number that represents the total savings that you got for shopping during the sale.
100.25,80.99,40.00
38
With the sale, you would get 30% off of the second two items. The amount you save is $36.297, and $38.83779 when you consider the 7% tax. After leaving the 0.83779 as a tip, your final saving is $38.