The number of people after n years is calculated through the equation,
An = (Ao)(1 + r)^n
where An is the population after n years, Ao is the initial population and r is the rate. Substituting the known values,
420 = (380)(1 + 0.03)^n
The answer is letter A.
From the second equation:-
x = 6 - 4y
Substitute this for x in the top equation
Greetings!To find the percent of a number, you mutliply the percent by the number, then divide by 100. We can use this rule to create an equation:

Multiply both sides by
100.
Simplify.

Divide both sides by
50.

Simplify.
36% of 50 is 18.
Hope this helps.
-Benjamin
Answer:
I think it is x= -0.5
Step-by-step explanation:
hope it helps