Chapter 9 - Quadratic Functions and Equations - Common Core Cumulative Standards Review - Selected Response - Page 608: 1

Answer choice $B$

If she can write about $150$ words in $4$ minutes, she can write $37.5$ words in $1$ minute. She can write $2000$ words in $2000\div37.5$ minutes. The answer is about $53.333333$, but the question said she can write $about $ $150$ words in $4$ minutes, so we need to find the closest answer. The answer is $B$.