Maths question
2007-05-05 1:47 am
the marked price of a chocolate bar is $10.If you pay $1more,you can get one more chocolate bar.What is the discount percent when buting two chocolate?
回答 (2)
2007-05-05 2:28 am
✔ 最佳答案
old ) 2bars:$10+$10=$20new ) 2bars:$10+$1=$11
% change
=[(11-20)÷20]×100%
= (-9/20)×100%
= -45% ←that for the seller
∴ the buyer can get 45% discount
2007-05-05 1:53 am
pay $11 for two chocolate
ie $5.5 for each
discount percent
(10-5.5) / 10 x 100% = 45%
ie $5.5 for each
discount percent
(10-5.5) / 10 x 100% = 45%
收錄日期: 2021-04-13 00:37:13
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