Question

(BEST ANSWER GETS MEDAL) The amount of international phone calls in a country rose from 41 billion in 1991 to 65.8 billion in 1996. Assuming a linear relationship, what is the average rate of change for this time period?

Answer 1

@DarkVoLaf

Answer 2

4.96 billion a year.

Answer 3

1991 - 41 billion calls
1996 - 65.8 billion calls

Average rate of change = increase in calls / number of years = (65.8-41) / (1996-1991) billion calls per year.

Answer 4

Thank you both so much!

Answer 5

You are welcome.

Answer 6

I'll have to give the medal to @grray7 because he answered first, but you both did great! :)

Answer 7

Thanks

Answer 8

lol I was about to answer it

Answer 9

too slooooow