This is a set of 3 worksheets involving the seventh grade common core indicator 7.RP.3. The first worksheet is titled "Sales Tax & Discount" and included 10 problems on finding the sales tax and total or discount and new price. The second worksheet is titled "Sales Tax, Discount, Tips, and Commission". It is 15 problems that are just looking for the percent and not the total. The third worksheet is titled "Percent Word Problems". This worksheet includes 12 word problems for sales tax, discount, tips, and commissions. These are multi-step problems. All sheets come with an answer key. If you see any mistakes please let me know so I can correct it. Thank you for considering purchasing this item.