Hi SC from Lubbock, Texas,

To print on both sides of the paper from two worksheets in the same workbook, you need to follow these steps:

1. Click on the first worksheet that you want to print.
2. Go to the Page Layout tab on the ribbon.
3. Click on the small arrow in the bottom right corner of the Page Setup group to open the Page Setup dialog box.
4. Click on the Margins tab.
5. Under the Multiple pages section, select "2 pages per sheet" from the drop-down menu.
6. Click OK to close the Page Setup dialog box.
7. Go to the second worksheet that you want to print.
8. Repeat steps 2-6 for this worksheet.
9. Go to the File tab on the ribbon and select Print.
10. In the Print dialog box, select your printer that supports automatic duplex printing.
11. Under the Settings section, select "Print on Both Sides" and choose "Flip on Short Edge" from the drop-down menu.
12. Click Print to print both worksheets on both sides of the paper.