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Popular Word Problems >

An item is regularly priced at \$55. It is on sale for 80% 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 $55. I t i s o n s a l e f or 80% 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 : 11

Solution steps

Translate the problem into an equation:

x = 55 - 0.8 \cdot 55

x = 55 - 0.8 \cdot 55 : x = 11

Amount after discount : 11

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