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Why I Must Learn Math!

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## Why I Must Learn Math!

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**Why I Must Learn Math!**Adriana Gonzalez 3/24/09 Period 3**Why I Must Learn Math!**Who uses math? Where do we use math? What professions (careers) use math? Real world problem involving math**Who Uses Math?**Everybody uses math whether they realize it or not. Shopper Chefs Vacationers**Where Do We Use Math?**Every where! Purchasing food, CDs, games, movie ticket etc ... Figuring out if you have enough money to make the purchase Cooking, sewing, building things**What Professions(Careers) use Math?**Accountants Architects Biologists Chemists Engineers Managers Many, many more ...**Real World Problem**There are some shoes on sale for 30% off before sales tax. Original price is $68.99, but you also have an additional 10% off coupon before sales tax. You have $50.00, if sales tax is 10.25% can you afford the shoes? .30*68.99 = 20.70, thus with 30% off the shoes are 68.99-20.70 = 48.29 Now, taking an additional 10% off results in 48.29*.10 = 4.83 thus 48.29-4.83 = 43.26 for the shoes with all the discounts. Applying the sales tax, 43.26*.1025 = 4.45 so the total will be 43.26 + 4.45 = 47.91. ANSWER: Yes