7 minutes is the answer but check with the teacher first
Answer:
15965
Step-by-step explanation:
a=18395
d= -270 (lost inhabitants every year)
n=10
tn=?
We know that,
tn= a+(n-1)×d
=18395+(10-1)×(-270)
=18395+9×(-270)
= 18395 -2430
=15965
Hence,the present population of small town is 15965.
Answer:
3:5
The ratio of pens:pencils is 3:5.
Step-by-step explanation:
The answer is C.
7+9 = 16
16×150 = 2400
4500-2400 = 2100