Answer:
XZ = 25
XY = 5
Explanation:
XZ = XY + YZ
XZ = (1/5XZ) + 20
XZ - (1/5XZ )= 20
4/5 XZ = 20
5/5 XZ = (20 ÷ 4) × 5
XY = 1/5 × 25
= 5
5.6m questions
7.3m answers