Re: [討論] Q10問題
※ 引述《listenm59 (canon)》之銘言：
: 想請各位解答
: 11.if one number is chosen at random the first 1000
: positive integers, what is the probability that the
: number chosen is a multiple of both 2and 8 ?
1000/8=125
(你的問題是看不太懂題目嗎？)
: 17. the price of product R is 20percent higher than
: the price of product S, which in turn is 30 percent
: higher than the price of product T. the price of product
: R is what percent higher than the price of product T ?
R=1.2*S
S=1.3*T
R=1.2*1.3T=1.56*T
高出56%
: 拜託了！！
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