Ground beef costs $3.95 per pound at the grocery store. One customer spent $33.18 on ground beef for a BBQ. Choose the equation and solution that would correctly show how many pounds of ground beef the customer bought.
A. 3.95 ÷ x = 33.18; x = 37.13
B. 3.95x = 33.18; x = 8.4
C. x + 3.95 = 33.18; x = 29.23
D. 3.95 ÷ x = 33.18; x = 8.4