一條很難的暑期數學題

2008-08-03 11:07 pm
問題:

y is 25份之9 of x. What percentage of x is y ?

回答 (1)

2008-08-03 11:25 pm
✔ 最佳答案
y is 25份之9 of x. What percentage of x is y ?
x * 9/25 = y
x * 36/100 = y
x * 36% = y
36% of x is y.
參考: MYSELF


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