Respuesta :
Answer:
[tex] \boxed{ \bold{ \huge{\boxed{ \sf{ \: 12.9 \: \: dollars}}}}}[/tex]
Step-by-step explanation:
Given,
Cost without tax = $ 12
Tax percent = 7.5 %
Cost including tax = ?
First, finding the tax amount :
[tex] \sf{tax \: amount \: = \: 7.5 \: \% \: of \: 12}[/tex]
⇒[tex] \sf{tax \: amount = \frac{7.5}{100} \times 12} [/tex]
⇒[tex] \sf{tax \: amount = 0.9}[/tex] dollars
Finding the total cost of the lunch including tax :
⇒[tex] \sf{total \: cost \: = \: 12 + 0.9}[/tex]
⇒[tex] \sf{total \: cost \: = \: 12.9}[/tex] dollars
Hope I helped!
Best regards ! :D