Chapter 2 - Equations, Inequalities, and Problem Solving - 2.4 Applications with Percent - 2.4 Exercise Set - Page 110: 74

LaTonya will pay $\$ 157.50$

Typical percentage problem: What percent ($n$, as a decimal number) of (the base amount $y)$ is $x?$ Translated:$\quad n\cdot y=x$ --- Here, reworded, $\quad 4.50\%$ of ($y=3500$) is ($x=?$). Translated:$\quad 0.045\cdot 3500=x$ ($ 4.50\%$ converted to decimal notation is $0.045)$ $x=157.50$