Please help me solve this !

Discussion! you will discuss how work is distributed at home. who does what? how do you clean your home? using commands, progressive tense, and vocabulary learned in this lesson. write this in spanish and english! this is worth 50 percent of my grade so !

Ojalá que todos mis amigos mucho éxito. a. tengan b. discutan c. discuten d. tienen

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution