Use the formula below to find the total cost including tax.
[tex]\text{Total cost = 10\% of the original cost + original cost}[/tex]Original cost = $88
[tex]\begin{gathered} \text{Tax = 10\% of original cost} \\ =\text{ }\frac{10}{100}\text{ }\times\text{ \$88} \\ =\text{ }\frac{880}{100} \\ =\text{ \$8.8} \end{gathered}[/tex]Total cost = Tax + original cost
= $8.8 + &88
= $96.8
Final ans
