SOLUTION: What quantity of 60 per cent acid solution must be mixed with a 30 solution to produce 810 mL of a 50 per cent solution?

Question 771162: What quantity of 60 per cent acid solution must be mixed with a 30 solution to produce 810 mL of a 50 per cent solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Add v mL of 60% acid to u mL of 30% acid solution to produce 810 mL of 50% acid solution.

{amount of just acid}/{amount of resulting solution}={concentration of resulting solution}

AND YOU WILL ALSO NEED

Simplify the rational equation quickly:

then managing symbols,

, easier to work with this form.

The rest left unfinished so you can do the rest. Two equations for the system, highlighted.
RELATED QUESTIONS
What quantity of 75 per cent acid solution must be mixed with a 30 per cent solution to... (answered by stanbon)

What quantity of 60 per cent acid solution must be mixed with a 30 per cent solution to... (answered by modi.kk91)

What quantity of 60 per cent acid solution must be mixed with a 25 percent solution to... (answered by Alan3354)

What quantity of 60 per cent acid solution must be mixed with a 20 percent solution to... (answered by jrfrunner)

What quantity of 60 per cent acid solution must be mixed with a 25 solution to produce... (answered by nyc_function)

What quantity of 60 per cent acid solution must be mixed with a 25 solution to produce... (answered by Fombitz)

What quantity of 75 per cent acid solution must be mixed with a 30 percent solution to... (answered by checkley77)

What quantity of 70 per cent acid solution must be mixed with a 30 solution to produce... (answered by oberobic)

What quantity of 70 per cent acid solution must be mixed with a 30 solution to produce... (answered by mananth)