How much is a 20% tip on a meal that cost $42.60​

Math Question: How much is a 20% tip on a meal that cost $42.60​

Solution:

Firstly, I want to say the answer is not $8.52. Because, the question sait that “20% tip on a meal that cost $42.50​”.

So,  tip is included in the cost.  Tip + account = $42.50.  Let’s look the solution step by step.

If we say tip = x dollars, food price is 5x dollars.

x + 5x = 6x = $42.60​

x = tip = $7.10

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