# Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 20%, percent more than the number of shoppers the day before. the total number of shoppers over the first 4 days is 671

Answers: 1

## Answers

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 20...

There were 125 shoppers on the first day.

Step-by-step explanation:

Let us call the number of shoppers on the first day , then on the nth day the number of shoppers is

which is a geometric series whose sum to the nth term is

Now, we know that the total number of shoppers over the first 4 days is 671; therefore,

Thus, there were 125 shoppers on the first day.

an=a1 (r) n-1

a6= 1 (2) 6-1

a6=1 (2)5

a6=1(32)

a6= 32

the answer is 32