Answer:
55 kg
Step-by-step explanation:
lose 2kg per 3 week
for 12 weeks
3×4=12
4×2=8
61-8=53
1kg per week gained for 2 weeks = 2kg
53kg + 2 kg =55kg
Hope you understand...
im so sorry but i need to finish my challenge
x(x) or x*x
To write this in the expanded form you just multiply the base(x) by itself
69
(x+54+57)=180
x=69