Question

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 .

Answer 1

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.