Answer:
Step-by-step explanation:
Let
y-----> the trout population
x----> the time in years
we know that
----->exponential function that models the trout population
The number is 8
<em>2x +5 =21 </em>
2x= 21-5
2x=16
2x/2=16/2
x=8
To check
8×2=16
16+5=21
18/12 = x/8
12x = 8 * 18
x = 8 * 1.5
x = 12
Answer: C. 12
16
5 × 320 ÷ 100 = 16
5 × 320 = 1,600
1,600 ÷ 100 = 16
16 es tu repuesta
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