Question

1 Wilbur is thinking of a number. The sum of the
number and 30 is 255. Find Wilbur's number.

Answer 1

Known of information

• the sum of the number and 30 is 255

Set some variables:

• unknown number --> X

Set up equation based on known information:

    X + 30 = 255

     X = 225

Wilbur's number is 225.

Hope that helps!