
Chapter 10 Pop Up Tools
To perform calculations
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 | 53 + 123 – 63 = | 53q123w63u | 
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 | 963 ⋅ (23 – 56) = | 23w56e963u | 
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 | (56 ⋅ 3 – 89) ⎟ 5.2 + 63 = | 56e3w89r5.2 | 
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 | q63u | 
 | 78.1923076923 | 
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 | 1234567890 ⋅ 741852 = | 1234567890e741852u | E | 915.866658332 | |||||
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 | 3 ⋅ 5 = | 3ye5u | 
 | 8.6602540378 | ||||
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 | 12 + 23 = | 
 | 23qq12u | K + | 35. | ||||
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 | 45u | 
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 | 45 + 23 = | 
 | K + | 68. | |||||
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 | 5.6ww7u | 
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 | 7 – 5.6 = | K – | 1.4 | ||||||
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 | 2u | 
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 | 2 – 5.6 = | K – | – 3.6 | ||||||
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 | 2.3 ⋅ 12 = | 12ee2.3u | K ⋅ | 27.6 | |||||
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 | 4.5 ⋅ 12 = | 4.5u | K ⋅ | 54. | |||||
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 | 45 ⎟ 9.6 = | 9.6rr45u | K ⎟ | 4.6875 | |||||
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 | 78 ⎟ 9.6 = | 78u | K ⎟ | 8.125 | |||||
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 | 1500e12t | 
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 | 12% of 1500 | 
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 | Percentage of 660 against 880 | 660r880t | 
 | 75. | |||||
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 | 15%  | 2500e15tq | 
 | 2’875. | |||||
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 | 25% discount of 3500 | 3500e25tw | 
 | 2’625. | |||||
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 | What will the selling price and profit | 480q25t | 
 | 640. | |||||
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 | be when the purchasing price of an | w | 
 | 160. | |||||
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 | item is $480 and the profit | 
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 | rate to the selling price is 25%? | 
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 | If you made $80 last week and $100 | 100w80t | 
 | 25. | |||||
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 | this week, what is the percent | 
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 | increase? | 
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 | 80 ⋅ 9 = 720 | {80e9 | M | 720. | |||
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 | 50e6} | M | 300. | ||||||
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 | 20 ⋅ 3 = 60 | 20e3 | M | 60. | |||
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 | 480 | 
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