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人気のある Word Problems >

a telephone cost 250 the sales tax is 7.5%. what was the cost of the telephone including sales tax

解

a t e l e p h o n e cos t 250 t h e s a l es t a x i s 7.5%. w ha t w a s t h e cos t o f t h e t e l e p h o n e in c l u d in g s a l es t a x

解

Amount before tax : 232.55813 \dots

解答ステップ

Translate the problem into an equation:

250 = x + 0.075 x

250 = x + 0.075 x : x = \frac{10000}{43}

\frac{10000}{43} = 232.55813 \dots

Amount before tax : 232.55813 \dots

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