A two-digit number

Answer this math problem about a two-digit number before everybody else and stand out from the crowd. Use the Facebook comments tool below to type your solution to the problem. The winner must show the math behind the solution.

Math problem:

There is an interesting two-digit number X. With a  9 before it, it is three times as large plus 3 as with a 9 after it. What is the number?

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Recent Lessons

  1. Divide using Partial Quotients

    Apr 03, 17 09:12 AM

    Learn to divide using partial quotients. Understand the concept fast!

    Read More