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受欢迎的 Word Problems >

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.

解答

A bi r t h d a y ce l e b r a t i o n m e a l i s 46.80 in c l u d in g ​ t a x, b u t n o t t h e t i p . F in d t h e t o t a l cos t i f a 10 % t i p i s a dd e d t o t h e cos t o f t h e m e a l .

解答

Amount before tax : 42.54545 \dots

求解步骤

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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