Connie went shopping and spent one-half of her money at Allen's Grocery Store. She then spent one-third of what she had left at Bryan's Bar-B-Q Cafe. After that, she then had $6 left. How many dollars did she spend at Allen's Grocery Store?
x = allens grocery tab
2x = original money
(2x * 1/2) * 2/3 = 6 Solve for 'x'