The 10" pizza sells for $ 3.99 at my favorite pizza store. The store claims they have a great deal on the large 12" pizza, which is specially priced at $ 4.88. What is the per cent discount the store is offering?
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September 30th, 2009 - 01:54
(10*10)Pi cost=$ 3.99
1 cost= $ 3.99/(100Pi)
(12*12)Pi cost=$ 3.99*(144Pi)/(100Pi) =$ 5.7456
discount= (5.7456-4.88)/5.7456*100 =15.0654%
September 29th, 2009 - 09:38
the discount is of 15%
September 25th, 2009 - 12:24
15%
September 25th, 2009 - 01:23
I solved it comes around 2.09%
the selling price comces is $4.788
original price is $4.88
disount is $0.10