Zoe paid $18.60$18.60 in sales tax and tips for her dinner. The sales tax rate is 11%11%, and she tipped 20%20%. (The sales tax does not apply to the tip, and the tip is based on the price of the dinner before sales tax.)
Added by Christopher F.
Step 1
The sales tax is 11%, so the tax amount is 0.11x. The tip is 20%, so the tip amount is 0.20x. The total amount Zoe paid for tax and tip is $18.60, so we can write the equation: 0.11x + 0.20x = 18.60 Now, we can combine the terms on the left side of the Show more…
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