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Solving Decimal Equations

Solving Decimal Equations. Lesson 3-9. Examples. g – 3.1 = 4.5 3k = 8.1. Examples. m / 5 = 1.5 4. 4.93 = 0.563 + v.

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Solving Decimal Equations

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  1. Solving Decimal Equations Lesson 3-9

  2. Examples • g – 3.1 = 4.5 • 3k = 8.1

  3. Examples • m/5 = 1.5 4. 4.93 = 0.563 + v

  4. Felipe has earned $42.50 by mowing lawns for his neighbors. He wants to buy inline skates that cost $69.95. Write and solve an equation to find out how much more money Felipe must earn to buy the skates.

  5. Equation $42.50 + m = $69.95 Solve for Equation $42.50 + m = $69.95 - $42.50 - $42.50 m = $24.75 Felipe needs $27.45 more to buy the inline skates. Use inverse operation to get the variable alone on one side of the equation.

  6. Problem Solving The area of the floor in Jonah’s bedroom is 28 meters. If the length is 3.5 meters, what is the width of the bedroom? Area = length x width

  7. Problem Solving Jonah is carpeting his bedroom. The carpet cost $22.50 per square meter. What is the total cost to carpet his bedroom? Hint: total cost = area x cost of the carpet per square meter

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