Answer:
Answer would be 8 months if you start with 30 times 8 u will get 240 add the intial fee of $25 and you will have 265 so the answer is 8.
Step-by-step explanation:
sorry, i dont understand what youre asking.
I can’t see make clearer plz
The question is an illustration of arithmetic sequence.
<em>The number of conversation for 19 people is 171</em>
<u />
<u>(a) 9 people</u>
9 represents the number of people
8 represents the number of conversation each person had
2 represents the number of people having a conversation at once (i.e 2 people at once)
<u>(b) 19 people</u>
We have:
The number of conversation is:
So, we have:
Hence, the number of conversation for 19 people is 171
Read more about arithmetic sequence at:
brainly.com/question/18109692