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受欢迎的 Word Problems >

If you want to buy an item in a store that costs 40 and is on sale for 30% off, then how much would the item actually cost you after the discount? Round to the nearest cent.

解答

I f yo u w an t t o b u y an i t e m in a s t ore t ha t cos t s 40 an d i s o n s a l e f or 30% o ff, t h e n h o w m u c h w o u l d t h e i t e m a c t u a ll y cos t yo u a f t er t h e d i sco u n t ? R o u n d t o t h e n e a res t ce n t .

解答

Amount after discount : 28

求解步骤

Translate the problem into an equation:

x = 40 - 0.3 \cdot 40

x = 40 - 0.3 \cdot 40 : x = 28

Amount after discount : 28

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