| |
|
|
|
|
|
|
|
|
|
| For a simpler, non-mathematical, solution to this problem click here. Use your browser BACK button to return to this page. |
| Problem that you can quickly work using mental math provide exceptional opportunities to develop mathematical skills. Write out the steps as done in this example. As problems become too involved to be solved using mental math you will be well prepared to solve them easily using mathematics. |
Use your browser BACK button to return here from any of the links shown (colored) in the problem presentation. |