Answer:

Step-by-step explanation:
We have the recursive formula of a sequence:

He currently does 8, and is increasing by 2, so our equation will be
2x+8=30
Subtract the 8 over
2x=22
Divide by 2 on both sides
X=11
It will take 11 days
Answer:
B
Step-by-step explanation:
0<a2<a1 is the statement you're looking for.
Hope this helps! :)
155% of X = 84.47
1.55 of X = 84.47
X= 84.47/1.55
X=54.49 Answer