MHB Percentage & Sales Story Problem

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Andrew purchased a camera originally priced at $120, which was discounted by 20%, resulting in a sale price of $96. After applying an 8% sales tax on the discounted price, the tax amounted to $7.68. The total amount Andrew paid for the camera, including tax, was $103.68. Understanding percentages is crucial for calculating discounts and taxes accurately. The final cost reflects both the discount and the added sales tax.
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Andrew bought a camera on sale at a 20% discount. It was marked down from its regular price of $120. If there is an 8% sales tax on the sale price, how much did Andrew pay for the camera?
 
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That's pretty straight forward if you understand what percentages are! 20% of \$240 is 0.20 times 240= \$48. Since \$240 is discounted by that much, the sale price is \$240- 48= \$192. 8% of that sales price is 0.08 times \$192= \$15.36. Add that tax to the sales tax: \$192.00+ 15.36= \$207.36.
 
Here is a little puzzle from the book 100 Geometric Games by Pierre Berloquin. The side of a small square is one meter long and the side of a larger square one and a half meters long. One vertex of the large square is at the center of the small square. The side of the large square cuts two sides of the small square into one- third parts and two-thirds parts. What is the area where the squares overlap?

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