Use an Equation to Solve the Problem $6 \%$ Raise and Is Now Making

Multiple Choice

Use an equation to solve the problem.
-If Gloria received a $6 \%$ raise and is now making $\$ 21,200$ a year, what was her salary before the raise?

A) $\$ 21,000$
B) $\$ 20,000$
C) $\$ 20,200$
D) $\$ 19,200$