The wholesale price for a shirt is 4.50 . A certain department store marks up the wholesale price by 90%. Find the price of the shirt in the department store.Round your answer to the nearest cent, as necessary.

Solution

T h e w h o l es a l e p r i ce f or a s hi r t i s 4.50 . A cer t ain d e p a r t m e n t s t ore ma r k s u p t h e w h o l es a l e p r i ce b y 90%. F in d t h e p r i ce o f t h e s hi r t in t h e d e p a r t m e n t s t ore . R o u n d yo u r an s w er t o t h e n e a res t ce n t, a s n ecess a ry .

Amount after addition : 8.55

Solution steps

Translate the problem into an equation:

x = 4.5 + 0.9 \cdot 4.5

x = 4.5 + 0.9 \cdot 4.5 : x = 8.55

Amount after addition : 8.55