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受欢迎的 Word Problems >

you buy a watch for 60 . your friend buys a watch a month later. it is now sold at a 15% what is the new price? what is the total cost including tax? sales tax is

解答

yo u b u y a w a t c h f or 60 . yo u r f r i e n d b u ys a w a t c h a m o n t h l a t er . i t i s n o w so l d a t a 15% w ha t i s t h e n e w p r i ce ? w ha t i s t h e t o t a l cos t in c l u d in g t a x ? s a l es t a x i s

解答

Amount after tax : 69

求解步骤

Translate the problem into an equation:

x = 60 + 0.15 \cdot 60

x = 60 + 0.15 \cdot 60 : x = 69

Amount after tax : 69

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