Answer:
35
Step-by-step explanation:
Answer:

Step-by-step explanation:

Divide both sides by 7:

Subtract 4 from both sides:

Answer:
compostion
Step-by-step explanation:
comPOSTION
Since, population of species A is represented by : 
Let us find the population of species A, at the end of week 1:
i.e., x = 1
i.e., 
i.e., 
i.e., 
Also, since population of species B is represented by : 
Let us find the population of species B, at the end of week 1:
i.e., x = 1
i.e., 
i.e., 
i.e., 
Thus, at the end of 1 week, species A and species B will have the same population.
Hence, option D is correct.