Answer :
Selling Price = $145
Charge on first $25 is 5.25%
5.25% of $25 = [tex] \frac{5.25}{100}*25= \frac{5.25}{4} = 1.3125 [/tex]
Charge on rest is 3.25%
rest amount = $145 - $25 = $120
3.25% of $120 = [tex] \frac{3.25}{100}*120=3.9 [/tex]
[tex]Total\ charge=1.3125+3.9=5.2125 =\boxed{5.21}[/tex]
Charge on first $25 is 5.25%
5.25% of $25 = [tex] \frac{5.25}{100}*25= \frac{5.25}{4} = 1.3125 [/tex]
Charge on rest is 3.25%
rest amount = $145 - $25 = $120
3.25% of $120 = [tex] \frac{3.25}{100}*120=3.9 [/tex]
[tex]Total\ charge=1.3125+3.9=5.2125 =\boxed{5.21}[/tex]