Question

Jacque has 3 L of a 50% antifreeze mixture. How much 75% mixture should be added to get a mixture that is 60% antifreeze?

Answer 1

You need to add 2 L of the  75% mixture to get a mixture that is 60% antifreeze.

What is an antifreeze?

Anti  freeze is a substance that is added in order to prevent a liquid from freezing. An antifreeze is usually an ionic substances that is used during the winter to prevent the freezing of a liquid.

Now;

Forming the equation;

0.75*x+0.5*3=0.6(3+x)

Hence;

0.75*x+1.5=1.8+0.6x

Therefore;

0.75x-0.6x=1.8-1.5

We obtain;

0.15x=0.3

Then;

x=2L

Learn more about antifreeze:brainly.com/question/14789254

#SPJ1