I want to ask Maths
2007-08-12 10:11 pm
1.The temoeraure last night was 25。c and it is 34。c noon tday . What is the percentagncase/dcrease in temperature?
回答 (2)
2007-08-12 10:16 pm
✔ 最佳答案
the percentage increa se in temperature [sure decrease as 25 change to 34]=(34-25)/25*100%
=36%
[remember this : the percentage change =(new-origin)/origin*100%]
2007-08-12 10:18 pm
(34-25/25)x100% = 9/25x100% = 36%
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