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3 August, 05:39

Use the six steps in the "Blueprint for Problem Solving" to solve the following word problem. You may recognize the solution by just reading the problem. Use n as the variable for the number and write the equation used to describe the problem.

If three times the sum of a number and 4 is 18, find the number.

Equation:

The number is.

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Answers (1)
  1. 3 August, 06:19
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    Number is n

    Three times the sum of a number and 4.

    = 3 * (n + 4) = 18

    3n + 12 = 18.

    3n = 18 - 12.

    3n = 6

    n = 6 / 3.

    n = 2.
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