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A birthday celebration meal is 46.80 including tax, but not the tip. Find the total cost if a 10 % tip is added to the cost of the meal.

Solution

A birthday celebration meal is 46.80 including tax, but not the tip. Find the total cost if a 10 % tip is added to the cost of the meal.

Solution

Amount before tax : 42.54545 \dots

Solution steps

Translate the problem into an equation:

46.8 = x + 0.1 x

46.8 = x + 0.1 x : x = \frac{468}{11}

\frac{468}{11} = 42.54545 \dots

Amount before tax : 42.54545 \dots

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