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vekshin1
3 years ago
12

owynn wants to buy a computer that normally costs $689.99 but is on sale for 5% off. If he waits two weeks the same computer wil

l be on sale for 15% off . Owynn wants to calculate the cost of the computer for both sales
Mathematics
1 answer:
EastWind [94]3 years ago
7 0
Sorry I don’t have a calculator with me atm but if you just put this into a calculator you’ll have the answer
So I use decimal multipliers for discounts to do this just change your percentage into a decimal with 100% as 1.00 so if it were increasing by 5% it would be 1.05 since it’s a sale the decimal would be 0.95 you can now multiply this to the original price to find this new price
So 689.99 x 0.95
If you follow this again for the 15% sale then the decimal multiplier would be 0.85
So 689.99 x 0.85
Just put these into a calculator and you’ll get your answers
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