Answer :
Answer:
[tex]Total = \$103.20[/tex]
Step-by-step explanation:
Given
[tex]Amount =\$160[/tex]
[tex]D_1 = 30\%[/tex] --- first discount
[tex]D_2 = 10\%[/tex] --- second discount
[tex]Sales\ Tax = 7.5\%[/tex]
Required
Determine the amount paid
First, we add the total discount:
[tex]D = D_1 + D_2[/tex]
[tex]D = 30\% + 10\%[/tex]
[tex]D = 40\%[/tex]
If she got a discount of 40%, then she paid 60% (i.e. 100% - 40%)
So:
[tex]Amount = 60\% * \$160[/tex]
[tex]Amount = \$96[/tex]
Calculate the sales tax
[tex]Sales\ Tax = 7.5\% * \$96[/tex]
[tex]Sales\ Tax = \$7.2[/tex]
[tex]Total = \$96 + \$7.2[/tex]
[tex]Total = \$103.20[/tex]