a is 3k^2
b is -12k
and c is 12
3÷ 8 ·z
3/8 ·z
3/8z
I think i'm just supposed to simplifiy it??
Answer:
skp
Step-by-step explanation:
P
Weight decreased = 108 - 88 = 20 Kg
Percentage decrease =
= 18.52%