Question

Describe how a gallon of 25% solution is added to an unknown amount of 10% solution to get a 15% solution

Answer 1

\[
0.25x+0.10y=0.15(x+y)
\]And \[

x=1
\]Solve for \(y\)

Answer 2

Is that the answer

Answer 3

It's a method to find the solution.

Answer 4

What should I right down then