The 10th-grade class officers ordered t-shirts and sweatshirts to sell as a fundraiser. Each t-shirt weighed į of a pound, and each sweatshirt weighed of a pound. The total weight of the contents of the box was 43 pounds.
Which equation written in standard form represents the number of t-shirts, t, and the number of sweatshirts, s, that
were ordered?
o 21+ s = 433
os=- žs+ 43
O 2t + 38 = 175
3s = -2t + 175