You need a 45% alcohol solution. On hand, you have a 60 mL of a 5% alcohol mixture. You also have 55% alcohol mixture. How much of the 55% mixture will you need to add to obtain the desired solution?

Question

Please have a full explanation and answer.

Answer 1

60*.05 + x*.55 = .45(60+x)

There will be 60 + x ml of the final solution and to start you have 60 ml of the 5% solution and x ml of the 55% solution.

I will leave the algebra to you.