Answer:
[tex]Cost\ of\ single\ bags\ price\ before\ tax=\$4.71\\\\Cost\ of\ 4\ bags=\$18.85\\\\Final\ cost\ after\ tax=\$20.49[/tex]
Step-by-step explanation:
[tex]Given,\\\\4\ bags\ of\ dogs\ food\ priced=\$28.99\\\\discount=price\ of\ 4\ dogs\ food\ \times35\%\\\\discount=28.99\times \frac{35}{100}=10.14\\\\4\ bags\ of\ dogs\ food\ price\ after\ discount=original\ price-discount\ price\\\\4\ bags\ of\ dogs\ food\ price\ after\ discount=28.99-10.14\\\\4\ bags\ of\ dogs\ food\ price\ after\ discount=\$18.85\\\\1\ bags\ of\ dogs\ food\ price=\frac{18.85}{4}=\$4.71\\\\Tax=cost\ of\ dogs\4 \ food\ price\times8.75\%\\\\[/tex]
[tex]tax\ of\ 4\ dogs\ food\ price=18.85\times\frac{8.75}{100}\\\\tax\ of\ 4\ dogs\ food\ price=\$1.64\\\\cost\ of\ 4 \ dogs\ food\ after\ tax=18.85+1.64\\\\cost\ of\ 4\ dogs\ food\ price\ after\ tax=\$20.49[/tex]
