The Official Guide for GMAT® Review, 13th Edition - Quantitative Questions ProjectA clothing store acquired an item at a cost of x dollars and sold the item for y dollars. The store's gross profit from the item was what percent of its cost for the item?

(1) y - x = 20

(2) y/x = 5/4

Practice Questions

Question: 51

Page: 279

Difficulty: 600

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Not sufficient.

(2) Since \(\frac{y-x}{x}=\frac{y}{x}-\frac{x}{x}=\frac{y}{x}-1\), sufficient.