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受欢迎的 Word Problems >

The sales tax is 6%. What was the cost for your meal before the sales tax became to be a 0.87

解答

T h e s a l es t a x i s 6%. Wha t w a s t h e cos t f or yo u r m e a l b e f ore t h e s a l es t a x b ec am e t o b e a 0.87

解答

Amount before tax : 0.82075 \dots

求解步骤

Translate the problem into an equation:

0.87 = x + 0.06 x

0.87 = x + 0.06 x : x = \frac{87}{106}

\frac{87}{106} = 0.82075 \dots

Amount before tax : 0.82075 \dots

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