Decimal Conversion Challenge
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Questions and Answers

What is the first step to solve the equation $4.1 + x = 9$?

  • Multiply both sides by 4.1
  • Subtract 4.1 from both sides of the equation (correct)
  • Add 4.1 to both sides of the equation
  • Divide both sides by 4.1

    • What is the solution to the equation $2.3x - 6.54 = 10.33$?

  • x = 10
  • x = 8
  • x = 9
  • x = 7 (correct)

    • What is the correct first step to solve the equation $x - 4.21 = 6.3$?

  • Subtract 4.21 from both sides of the equation
  • Divide both sides by 4.21
  • Multiply both sides by 4.21
  • Add 4.21 to both sides of the equation (correct)

    • What is the solution to the equation $3x + 2.5 = 11.5$?

    <p>x = 3.5</p> Signup and view all the answers

    What is the correct first step to solve the equation $0.6x + 1.2 = 3.6$?

    <p>Subtract 1.2 from both sides of the equation</p> Signup and view all the answers

    When rounding to the nearest whole number, the estimated answer for the equation $4 + x = 9$ is:

    <p>5</p> Signup and view all the answers

    Rounding the equation $2x - 7 = 10$ to the nearest whole number gives the estimated answer as:

    <p>8.5</p> Signup and view all the answers

    In the equation $x - 4 = 6$, rounding to the nearest whole number gives the estimated answer as:

    <p>10</p> Signup and view all the answers

    If the equation $3y + 5 = 17$ is rounded to the nearest whole number, the estimated answer is:

    <p>4</p> Signup and view all the answers

    Rounding the equation $2z - 8 = 15$ to the nearest whole number gives the estimated answer as:

    <p>12.5</p> Signup and view all the answers

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