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Home > MC2 > Chapter 1 > Lesson 1.2.3 > Problem 1-76


Zaria wants you to solve this puzzle: " I am thinking of a number. If you divide my number by two and subtract , you will get . What is my number?" Show how you know your answer is correct.

Use the Guess and Check method.

Divide Zaria's number by , then subtract .

Use the the eTool below to find the number that makes the equation true.
Click the link at right for the full version of the eTool: MC2 1-76 HW eTool