Prep-T1-Q204

[lovenarimiya]

204.
On a certain sight-seeing tour, the ratio of the number of women to the number of children was 5 to 2. What was the number of men on the sight-seeing tour?

(1) On the sight-seeing tour, the ratio of the number of children to the number of men was 5 to 11.

(2) The number of women on the sight-seeing tour was less than 30.

Ans: (C)
我選E...

謝謝解答!!

[amazingslim]

W:C=5:2,求M人數

(1) On the sight-seeing tour, the ratio of the number of children to the number of men was 5 to 11.
C:M=5:11
W:C:M=25:10:22
只知比例，不知人數，insufficient

(2) The number of women on the sight-seeing tour was less than 30.
不知M比例，insufficient

combine (1)(2)
W=25人，M=22人