Nathan wants you to solve this puzzle: “I am thinking of a number. If you divide my number by and add , you will get . What is my number?” Show all of your work.
Work backwards to get Nathan's number.
Start with the end number, which is .
Now instead of adding , subtract .You should now have .
Instead of dividing by , multiply it by to get Nathan's number.
© 2019 CPM Educational Program. All rights reserved.