## Basic College Mathematics (10th Edition)

Correct $\frac{1\ vanilla}{3\ people} = \frac{x\ vanilla}{250\ people}$ $3x = 1\times250$ $\frac{3x}{3} = \frac{250}{3}$ $x = 83$ Incorrect $\frac{1}{3} = \frac{250}{x}$ $1x = 3\times250$ $x = 750$