Answer: $172.40
Step-by-step explanation:
[tex]\dfrac{New-Original}{Original}=Percent\ Change[/tex]
[tex]\dfrac{146.54-x}{x}=-0.15[/tex]
[tex]146.54 - x = -0.15x[/tex]
[tex]146.54=0.85x[/tex]
[tex]\dfrac{146.54}{0.85}=\dfrac{0.85x}{0.85}[/tex]
[tex]172.40 = x[/tex]