Shelby mixes a 25% bleach solution with 5 cups of a 10% bleach solution, resulting in a 20% bleach solution. The table shows the amount of each solution used.
Bleach Solution
Bleach
Cups
Total
Concentration
10% Bleach
5
0.10
0.5
25% Bleach
X
0.25
0.25x
Mixture
5 + x
0.20
3
What is the value of x?

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