If X:Y = 8:9 and Y:Z = 5:2 then X:Y:Z is	Choose the correct choice from the following answers
A) 40:45:18
B) 40:45:19
C) 40:42:18
D) 41:45:18
E) 40:55:18
Solution:   X/Y = 8/9;   Y/Z = 5/2;   X:Y:Z = 8*5:9*5:9*2 = 40:45:18   40:45:18nswer: Option 40:45:18
<result>A</result>
If X:Y = 8:9 and Y:Z = 5:2 then X:Y:Z is