math

Jamie is 5 years older than Ella. Jamie's age is 11 years less than three times Ella's age. The system below models the relationship between Jamie's age (j) and Ella's age (e):

j = e + 5
j = 3e – 11

Which of the following methods is correct to find Jamie's and Ella's age? (4 points)



Solve j + 5 = 3j – 11 to find the value of j.

Write the points where the graphs of the equations intersect the x-axis.

Write the points where the graphs of the equations intersect the y-axis.

Solve e + 5 = 3e – 11 to find the value of e.

  1. 👍
  2. 👎
  3. 👁
  1. Solve e + 5 = 3 e – 11 to find the value of e

    j = j

    e + 5 = 3 e – 11

    5 + 11 = 3 e - e

    16 = 2 e

    e = 8

    j = e + 5 = 8 + 5 = 13

    1. 👍
    2. 👎
  2. Clearly the 2nd version is correct
    e + 5 = 3e – 11
    16 = 2e
    e = 8
    then using j = e+5 = 8+5 = 13
    Jamie is 13, Ella is 8

    All conditions are met

    1. 👍
    2. 👎
  3. it was Solve e + 5 = 3e – 11 to find the value of e.

    1. 👍
    2. 👎
  4. e + 5 = 3e – 11
    16 = 2e
    8 = e

    1. 👍
    2. 👎
    👤
    Ms. Sue

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