Answer :
if at 10 Am there were
10 AM.......................12 people
11 AM........................27 people
we see that in an hour the number of people increased by
27-12=15
1 percent of 12 is
12/100=0.12
15/.12=125
the increase was 125%
10 AM.......................12 people
11 AM........................27 people
we see that in an hour the number of people increased by
27-12=15
1 percent of 12 is
12/100=0.12
15/.12=125
the increase was 125%