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

User Nathan Cox
by
8.2k points

1 Answer

5 votes

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!

User Mayank Agarwal
by
7.5k points