4. Margo is shopping for art supplies. She has a budget of $50 to spend. She buys 8 packages of
construction paper and receives $33.12 in change. Which equation could be used to find the
price of one package of construction paper?
A. 50 - 8x
B. 50- 33.12+8x
C. 33.12 = 8x
D. 50+ 33.12 - 8x