Answer: There are 16 fish that he can keep in the aquarium.
Step-by-step explanation:
Since we have given that
Length of aquarium = 4 feet
Width of aquarium = 1 foot
So, it forms a shape of cuboid.
As we know the formula for "Volume of Cuboid":
![Volume=Length\times Breadth\times Height\\\\Volume=4\times 1\times 2\\\\Volume=8\ ft^3](https://tex.z-dn.net/?f=Volume%3DLength%5Ctimes%20Breadth%5Ctimes%20Height%5C%5C%5C%5CVolume%3D4%5Ctimes%201%5Ctimes%202%5C%5C%5C%5CVolume%3D8%5C%20ft%5E3)
According to question, Each fish needs atleast 0.5 cubic feet of water.
So, Number of fish that he can keep in the aquarium is given by
![\frac{8}{0.5}=16](https://tex.z-dn.net/?f=%5Cfrac%7B8%7D%7B0.5%7D%3D16)
Hence, there are 16 fish that he can keep in the aquarium.
Answer:
1/9
Step-by-step explanation:
4-3/5--4
1/9
Answer:
2a + 3b = 5
b = a - 5
Step-by-step explanation:
2a + 3b = 5
b = a - 5
You can write this another way:
2a + 3(a-5) = 5 ( I added the second formula in the first one )
Now you gotta factor out:
2a + 3a - 15 = 5
Here im gonna do plus 15
2a + 3a = 20 ==> 5a = 20
Now if you divide by 5, you get: a = 4
Now you can fill in the second formula again
b = a - 5 (ill fill this in now)
b = 4 - 5 = -1
So, this makes:
a = 4 , b = -1
The answer is 13. Or the third choice, just took the test.