Answer:
15.30
Step-by-step explanation:
use code tiko
7x-99=2x+1
5x=100
x=20
mark me brainliest if the answer is correct, thank you in advance :)
Answer:

Step-by-step explanation:
If the population increases at a rate of 4% per annum, then:
In year 1:

Where
is the initial population and
is the population in year n
In year 2

It can also be written as:

Taking out common factor

Taking out common factor (1 + 0.04)

Taking out again common factor 
Simplifying

So

This is the equation that represents the population for year n
Then, in 4 years, the population will be:

Answer:he will save 100 $
Step-by-step explanation:
Yes, that is correct because if you want to reduce it you divide 8 by 2 and 10 by 2 and you get 4/5