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Popular Word Problems >

An item is regularly priced at 20 dollars . It is on sale for 70% off the regular price. What is the sale price?

Solution

implicit derivative

i t e m i s re gu l a r l y p r i ce d a t 20 d o ll a rs . I t i s o n s a l e f or 70% o ff t h e re gu l a r p r i ce . Wha t i s t h e s a l e p r i ce ?

Solution

Amount after discount : 6

Solution steps

Translate the problem into an equation:

x = 20 - 0.7 \cdot 20

x = 20 - 0.7 \cdot 20 : x = 6

Amount after discount : 6

Popular Examples

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