Amount after 3 years = 4000( 1 + 0.04)^3 = $4,499.46 answer
Answer: 33 gallons
Step-by-step explanation:
We initially have 130 gallons of a
acid solution and we need to change it to a
acid solution, and for that it is necessary to evaporate
gallons of water.
So, this situation can be mathemtically expressed as follows:

Then:

Isolating
:


Hence, we need to evaporate 33 gallons of water.
1/4, 1/2, 4/7, and 2/3. I hope this helps!
Answer: x = -5, y = 9
Step-by-step explanation:
The solution to the system of equations can be represented as a point.