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Story_Problems_1_Key MATH 2203

Story_Problems_1_Key MATH 2203 - 7 X is the cost of a box...

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Story Problems 1 - Key 1. X is Cory s original number of cars. X + 8 = 23 Cory had 15 cars to begin. 2. X is the number of bows in a bag. 3x 3 = 24 There are 9 bows in each bag. 3. X is the value of the secret number second #3! 4. 4(1/3) = 5 + x X is the value of the secret number The secret number is 15. 9 + 3x = 2x - 6 The secret number is -15. 5. X is the previous altitude -60 = x 23 The previous altitude is -37 meters. 6. X is the cost of 1 onion. 8x + 3 = 12x 1 The cost of 1 onion is \$1.
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Unformatted text preview: 7. X is the cost of a box of cereal. 3x + 5 – 2 = 2x + 12 A box of cereal cost \$9. 8. X is the cost of a Snickers bar. 70 = ¼ x – 10 There are 320 calories in a Snickers bar. 9. X is the length of the Amazon River. 245 + x = 4157 The Amazon River is 3912 miles long. 10. X is the height of the Washington Monument. 1250 = 140 + 2x The height of the Washington Monument is 555 feet. 11. X is the amount of Jim’s money. (100 + x) + x = 410 Jim has \$155....
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