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Bell Work

Bell Work . is = x_ of 100 17 = x_ 27 100 17 x 100 = 27x 1700 = 27x x = 62.96% or 63%. Percent of Change. Percent of Change. Percent of Change . Percent of Change – You Try . 13-10 10 3 10 0.30 = 30%. Percent of Change .

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Bell Work

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  1. Bell Work is = x_ of 100 17 = x_ 27 100 17 x 100 = 27x 1700 = 27x x = 62.96% or 63%

  2. Percent of Change

  3. Percent of Change

  4. Percent of Change

  5. Percent of Change – You Try 13-10 10 3 10 0.30 = 30%

  6. Percent of Change

  7. Percent of Change – You Try 15-20 20 -5 20 -0.25 = -25%

  8. Rally Coach 73% -20% 25% 19%

  9. Sales Tax, Tip and Discount

  10. Sales Tax • Sales tax is an additional amount of money charged on items that people buy. The cost of an item is the regular prices plus the sales tax.

  11. Sales Tax

  12. Sales Tax – You Try 5.5% = 0.055 $42 x 0.055 = $2.31 $42 + $2.31 = $44.31

  13. BELL WORK A pair of shoes costs $95.50. What is the total cost of the shoes if there is a 6.5% sales tax? Can you buy the shoes if you have $100 to spend? 6.5% of $95.50 = 0.065 x $95.50 = $6.21 $95.50 + $6.21 = $101.71 OR 106.5% of $95.50 = 1.065 x $95.50 = $101.71

  14. Tip/ Gratuity • A tip or gratuity is a small amount of money in return for a service. The total price is the regular price of the service plus the tip.

  15. Tip/ Gratuity

  16. Tip/ Gratuity $15 x 20% = $15 x .20 = 3.00 $15 + $3 = $18 OR $15 x 120% = $15 x 1.2 =$18

  17. Tip/ Gratuity

  18. Tip/ Gratuity 20% + 6% = 26% or .26 $42 x 0.26 = $10.92 $42.00 + $10.92 = $52.92 OR $42 x 126% = $42 x 1.26 =$52.92

  19. Discount Discount is the amount in which the regular price of an item is reduced. The sale price is the regular price minus the discount.

  20. Discount

  21. Discount – You Try $42 x 15% = $42 x 0.15 = $6.30 $42.00 - $6.30 = $35.70 OR 100% - 15% = 85% = 0.85 $42 x 0.85 = $35.70

  22. Discount

  23. Discount – You Try 100% - 25% = 75% = 0.75 $15.50 x 0.75 = $11.62 (Discounted Price) $11.62 x 6.5% = $11.62 x 0.65 = $0.76 (Sales Tax) $11.62 + $0.76 = $12.38 $15.50 x 25% = $15.50 x 0.25 = $3.88 $15.50 - $3.88 = $11.62 (Discounted Price) $11.62 x 6.5% tax = $11.62 x .065 = $0.76 (Sales Tax) $11.62 + $0.76 = $12.38 OR

  24. Discount

  25. Discount – You Try

  26. Exit Slip How will you use sales tax, tip and discount in the real world? List one example of each of the following. • Sales Tax • Tip/ Gratuity • Discount

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