Which inequality represents this situation? jessica is stacking items on a shelf. she has large books that weigh 5 pounds each and medium books that weigh 3 pounds each. the shelf should hold at most 50 pounds. let x represent the number of large books. let y represent the number of medium books.
a. 5x 3y>50
b. 5x 3y<50
c. 5x 3y≥50
d. 5x 3y≤50
