Question

XY = 4x, YZ = 3x, and XZ = 42

Answer 1

x=6

XY=24 units

YZ=18 units

Explanation:

we have that

Y is between X and Z

`XZ=XY+YZ`

substitute the given values and solve for x

`42=4x+3x\\42=7x\\x=6`

therefore

`XY=4x=4(6)=24\ units\\YZ=3x=3(6)=18\ units`