When some quantity is increased by 40%, then there is 140% of the original or 140/100 = 1.4 times the original.
The number of cellular phone customers of a particular telephone company increased by an average of 40%/a from 1994 to 1998. If there were 963 300 customers on January 2, 1998, then the number of customers on January 2, 1994, to the nearest hundred, would have been
Answer: 250800
t5=963300, n=5
tn=a*r^(n-1)
My question is how they determine ratio=1.4?? please somebody can give me an easy explanation!!