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Chapter 7 Review. Pre-algebra. Problem Solving. Tell me step by step two ways to solve this problem. 24 – 8 (-6 + ¼). Answer. Using PEMDAS to solve. Parentheses first, then order of operations Or, use distributive property to solve.

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## Chapter 7 Review

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**Chapter 7 Review**Pre-algebra**Problem Solving**• Tell me step by step two ways to solve this problem. • 24 – 8 (-6 + ¼)**Answer**• Using PEMDAS to solve. Parentheses first, then order of operations • Or, use distributive property to solve**Use examples or counter examples to support or deny the**following statement. • gh + gi = g (h + i )**Write an expression and solve!**Sarah charges $6.50 per hour to babysit. She babysat for 3 hours on Friday and 5 hours on Saturday. Write two equivalent expressions for her total wages. Then find her total wages.**Answer:**$6.50(3 + 5) $6.50(3) + $6.50(5) Answer: $52**Write an expression.**Marena is using a certain number of blue beads in a bracelet design. She will use 7 more red beads than blue beads. Write an expression in simplest form that represents the total number of beads in her bracelet design.**Kyung bought 3 CD’s that cost x dollars each, 2 DVD’s**that cost $10 each; and a book that cost $15. Write an expression in simplest form that represents the total amount that Kyung spent.**You used p minutes one month on your cell phone. The next**month you used 75 fewer minutes. Write an expression to represent the total amount of minutes.**Mateo has y pairs of shoes. His brother has 5 fewer pairs.**Write an expression that represents the total amount of shoes.**On Monday, Rebecca spent d dollars on lunch. She spent 50**cents more on Tuesday than she did on Monday. On Wednesday, she spent twice as much as she did on Tuesday. Write an expression in simplest form.**Simplify.**2/3(6a + 3b) – ½(a – 2b)**Theater tickets cost $45 a person. Write an expression to**represent the cost of tickets for x people.**Simplify.**4/5 (n + m)**Ricky and Harry grew potatoes. Ricky has 8 more potato**plants in his garden than Harry. Harry has g potato plants. Write an expression to represent the total amount of potato plants.**Translate the following. Seven times a number, f, increased**by five is subtracted by six times the same number.

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