A store sells T-shirts for $10 each and jeans for $20 a pair. Anna spends $150 on T-shirts and jeans. She buys x T-shirts and y
pairs of jeans. The equation that represents the situation is . If Anna decides to buy only T-shirts and no jeans, she can buy T-shirts with the money she has.
I would choose a hat, because it is stylish and can keep me warm. My opportunity cost would be a ball, because it is useful for boring, lonely days. This is what I would write, Idk if you like it or not.
