A meal costs 80 dollars before a sales tax of 10 percent. What is the total cost with tax?

Answer and explanation

Correct answer: D. 88 dollars

  1. Step 1: The tax is 10 percent of 80, which is 8 dollars. Step 2. 80 + 8 = 88 dollars. Answer: 88 dollars. Why not the others: 8 dollars: this is only the tax, without the meal. 72 dollars: this subtracts the tax instead of adding it. 90 dollars: this adds 10 dollars instead of 10 percent.

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