Re: [問題] 幾題數學
※ 引述《j0937065063 (BB)》之銘言:
: 1.猴哥數學43題
: If the total number of commuters to Country W is twice number to Country Z,
: and if the average number of vehicles that transport commuters daily to
: Country W is 30000, what's the approximate average number of vehicles that
: transport commuters daily to Country Z?
: 答案是12000
: 可是我怎麼算都覺得是6000 但是答案沒這選項....
我認為題意不完整,應該解不出答案,
不知12000從何而來?
: 2.猴哥數學46題
: A certain doctor suggests that an individual's daily water intake be 1/2 ounce
: per pound of body weight plus 8 ounce for every 25 pounds by which the
: individual exceeds his or her idea weight. If the doctor suggested a daily
: water intake of 136 ounces for a particular 240-pound individual, how many
: pounds above his or her idea weight is that individual?
: 答案是50 但是由答案回推感覺是錯的 感覺題目有問題....算不出答案...
設ideal weight = X 16
1/2.240 + 8.(240-X)/25 = 136
X = 190
所以超過50 lb
(以上內容由美加 江璞老師提供)
: 請高手解答一下吧
: 萬分感謝
: 希望颱風不要來阿阿阿~~~~~~~~~~~~
: 我29號飛機耶TT............
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