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ClassNotes09_01

# ClassNotes09_01 - of the total money in the account Markus...

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Class Activity 13H (p. 482) 1. 4/5 M + 200 = 800 2. 4/5 (M 200) = 800 3. ¾ (1/3 L +2 ½ ) = 4 4. M = no. of pencils in Maya’s pencil box D = no. of pencils in David’s pencil box M = 2D Class Activity 13I (p. 483) 1. Markus had x dollars in his bank account. After removing ¼ of the money in the account and then putting another in another \$30. Markus now has \$150. 2. Markus had x dollars in his bank account. After removing ¼ of a dollar from the account and then putting another in another \$30. Markus now has \$150. 3. Markus had x dollars in his bank account. He put another \$30 in his account. After removing ¼
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Unformatted text preview: of the total money in the account, Markus now has \$150. 4. Markus had x dollars in his bank account. After removing \$60 from the account and then removing 1/3 of the remaining money, he put another \$20. Markus now has \$80. 5. x = no. of pencils in Maya’s pencil box y = no. of pencils in David’s pencil box David has thrice as many pencils as Maya. Class Activity 13L (p. 486) {(x – ½ x) – 1/3 (x – ½ x)} – ¼ {(x – ½ x) – 1/3 (x – ½ x)} = 15 { ½ x – 1/3. ½ x} – ¼ { ½ x – 1/3. ½ x} = 15 2/3. ½ x – ¼ . 2/3. ½ x = 15 ¾ . 2/3. ½ x = 15 Solve for x X = 60...
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