Recall the distributive property (Chapter 7) where a(b+c) = ab + ac. Step 3 is written in ab + ac form. Rewrite it in the a(b+c) form. (a should be the purchase price and b and c percents). Combine the two percents and write as the purchase price times the percent. Explain how you can find now find the total cost of an item using multiplication as your last step