This Data Sufficiency question is testing whether you can set up equations from hypothetical scenarios — and the trap is that Statement (1) gives you a real number, but it's the wrong number.
Let p = premium brochures Nora actually ordered, and e = standard flyers Eli actually ordered.
1. Evaluate Statement (1). "If Nora had ordered as many premium brochures as Eli ordered standard flyers" means Nora hypothetically orders e brochures (not p).
Her hypothetical cost = 14e.
Eli's actual cost = 9e.
"Nora's order would have cost $45 more than Eli's" gives: 14e = 9e + 45, so 5e = 45, e = 9.
We now know Eli ordered 9 flyers. But p — Nora's actual quantity — is still completely unknown. NOT sufficient.
2. Evaluate Statement (2). "If Nora had ordered standard flyers instead, in the same quantity as the premium brochures she actually ordered" means hypothetically Nora buys p flyers.
Her hypothetical cost = 9p.
Her actual cost = 14p.
"$35 less" means: 9p = 14p - 35, so 5p = 35, p = 7.
Sufficient.
Answer: B.
The trap in Statement (1) is real — you get a clean answer (e = 9) and it feels like you've solved something. A lot of people mark AD or D here because the equation-solving part went so smoothly. But the question is asking for p, and Statement (1) gives you zero information about p. Always double-check which variable you actually solved for in DS.