A chemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. The table shows the amount of each solution used. Acidity Liters Acid Concentration Total x percent Acid 4 x 40 percent Acid 10 0 point 4 0 4 Mixture 14 0 point 3 0 What is the value of x , the acid concentration of the first solution?