新的PP一題

[Jackson0317]

這題應該很簡單....但是我怎麼算答案都不對. 請協助..

According to the direction on a can of frozen orange juice comcentrate, 1 can of concentrate is to be mixed with 3 cans of water to make orange juice, how many 12-ounce cans of the concentrate are required to prepare 200 6-ounce servings of orange juice?

A) 25
B) 34
c) 50
D) 67
E) 100

Ans: A

[65kevin]

題目是說一罐柳橙濃縮液須和三罐水混合成柳橙汁, 要製作成 200罐 6盎司的柳橙汁需要多少罐 12盎司的柳橙濃縮液 ?
令需要柳橙濃縮液 X 罐
12*X : 200*6 = 1 : (1+3) => X = 25
所以答案選 (A)

[Jackson0317]

請問為什麼要 3+1?

[micki]

因為你的總容積是 4 罐