Answer:
0.421875 or 27/64
Step-by-step explanation:
you divide the smallest by the bigest of the same side.
a²+b²=c²
9.8x + 1.1y + 9.9z
⇒ 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y
⇒ 9.8x + 1.1y + 9.9z