There are 1,920 fences posts used in a 12- kilometer stretch of fences How many fences posts are used in 1 kilometer of fence
1 answer:
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Answer:
<em>Initial population: 222 fish</em>
<em>After 7 years: 871 fish</em>
Step-by-step explanation:
Initial population size:
Let t=0
∴P(0)=
=
=
=222 fish
After 7 years:
Let t=7
∴P(7)=871 fish
For this case we propose the following expression:
x: Variable representing the unit rate of each soda
So:
Thus, 0.42 dollars is paid for each soda.
Answer:
the unit rate of each soda is
To solve this equation, we need to subtract both, 9c - 3c:
Dividing by 6 at both sides of the equation
Then
Then the answer C = 8. (Option D)