Answer:
Step-by-step explanation:
You have:

Find

This gives you the rule how to find next terms:
1.

2.

3.

Answer: next 3 terms are 383.5, 1153 and 3461.5.
Answer:
6.8
Step-by-step explanation:
Answer:
21/100
Step-by-step explanation:
there are 100 total people and 21 who have a dog but do not take walks. You can leave it like that because it cannot be simplified more.