0

If x:y = 1/4 : 3/8 and y:z = 1/3 : 4/9, find x : z

A. 2:3

B. 3:4

C. 3:8

D. 1:2

**Comments**

0

x:y = x/y = (1/4) / (3/8)

= 1/4 x 8/3 = 2/3

therefore, x:y = 2:3

x = 2 and y = 3

y:z = y/z = (1/3) / (4/9)

= 1/3 x 9/4

= 3/4

therefore, y:z = 3:4

y = 3 and z = 4

x:z = 2:4

= 2/4

= 1/2 or 1:2

**Ans D**

Your Answer