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受欢迎的 Word Problems >

The shop marks up pens 40% of its cost. Find the cost if the selling price is 2.34 per pen.

解答

T h e s h o p ma r k s u p p e n s 40% o f i t s cos t . F in d t h e cos t i f t h e se ll in g p r i ce i s 2.34 p er p e n .

解答

Amount before addition : 1.67142 \dots

求解步骤

Translate the problem into an equation:

2.34 = x + 0.4 x

2.34 = x + 0.4 x : x = \frac{117}{70}

\frac{117}{70} = 1.67142 \dots

Amount before addition : 1.67142 \dots

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