Answer:

Step-by-step explanation:
Given that,
The dimensions of an aquarium are 61 cm long, 30.5 cm wide, and 30.5 cm high.
The tank is filled to 80% capacity with water.
We need to find the water needed for this tank.
The volume of cuboid is given by :

As it is filled to 80% capacity, so,

So,
of water is needed for this tank.
Answer:
k ≥ -18
Step-by-step explanation:

70/7= 10 miles in January
10/4 = 2.5 miles in February
27 has to be C
I can't see the whole question for 28 and 29
Let
x-------> Leila 's profit
y------> Jo's profit
we know that
----------> equation 
For 
<u>Find the value of x</u>
Substitute the value of y in the equation 



therefore
<u>the answer is</u>
Leila make
in profit