My question is: On Blacks, Martha goes to the mall to buy clothes on sale. For every 2 jackets she buys, she gets 1 free jacket. For every 3 t-shirts she buys, she gets 1 free t-shirt. Martha decides to buy 4 jackets and 9 t-shirts. How many clothes will she take home? Your thoughts:
For buying 4 jackets Martha gets 4 jackets / 2 = 2 jackets for free. For buying 9 t - shirts, Martha gets 9 t - shirts / 3 = 3 t - shirts for free. Adding the free jackets, Martha gets 4 jackets + 2 jackets = 6 jackets. Adding the free t - shirts, Martha gets 9 t - shirts + 3 t - shirts = 12 t - shirts. In total, Martha will take home 6 jackets + 12 t - shirts = 18 clothes. The final answer: 18.