Question

You and 4 friends go to a restaurant to eat. The bill comes to a total of $110 before tax and tip. You want to leave a 20% tip for the $110 bill. You must also pay an 8.25% tax on the $110 bill. After you include the tax and tip, what is the price of the bill? Write out your process for solving this problem. Explain exactly what you do.

Answer 1

Bill = $110.

Tip: 20% So:

`\begin{gathered} If\text{ \$110 - 100\%} \\ Then\text{ x- 20\%} \\ x=\text{ }(\lparen20\%\rparen\lparen\$110\rparen)/(100) \\ \\ x=(2200)/(100) \\ \\ x=\text{ \$22} \end{gathered}`

Tax: 8.25%

`\begin{gathered} If\text{ \$110 -100\%} \\ Then\text{ x - 8.25\%} \\ \\ x=(\lparen8.25\%\rparen\lparen\$110\rparen)/(100\%) \\ \\ x=(907.5)/(100) \\ \\ x=\text{ \$9.075} \end{gathered}`

Therefore, they will pay $22 in tips and $9.075 in taxes. Therefore the final price of the bill will be:

`110\text{ + 22 + 9.075 = \$141.075}`