3. Solving Word Problems / Mixture Problem Solving / 문제 15
문제 15
A chemist needs to create 14 liters of a 50% acidic solution. They have two different acidic solutions available to use each with percentages of 40% and 70% respectively. If represents the number of liters for the 40% solution, how many liters of each solution should they mix together in order to achieve their desired acidic solution?