Mathematics, 18.12.2020 14:00 tfraz4412

ABC Bookstore sells new books, n, for $12, and used books, u, for $8. The store earned $112 revenue last month. The store sold 4 more used books
than new books. Which system of equations represents this scenario?
O A. 8n+ 12u= 112; u= n +4
O B. 8n + 12u=112; U= n- 4
OC. 12n+8u=112; u=n+4
O D. 12n + 8u= 112; u = n-4

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