It would be 20 because if you estimate 53 you would get 50 so 50÷3 would be clase to 2 and then add 1 zero and you will get 20 so 20 is your answer. Hope this helped. ☺
Answer:
18.3824%
Step-by-step explanation:
Sorry, this may be wrong. I am using an old skill, so it may be wrong.
The rule of a geometric sequence:

We have:

Find 
substitute:

Answer:
X=25
Y=25
Z=115
Step-by-step explanation:
Answer: x=3
should be the correct answer