Alex was dividing flowers into vases. She had 7 flowers and only 1 vase left. Which equation represents the number of flowers that Alex divided into the 1 vase?
A. 7 ÷ 1 = 0
B. 7 ÷ 7 = 0
C. 1 ÷ 7 = 7
D. 7 ÷ 1 = 7