Sorry I’m not sure either I also tried to remove one of mine.
(15(.17)+.29x)/(15+x)=.23
2.55+.29x=3.45+.23x
.06x=.9
x=15
So 15L of the 29% solution was added to the 15L of 17% solution to make
30L of 23% solution.
Answer:

Step-by-step explanation:
, You have to make it so they have a common denominator

This would make the answer
