6. Jennifer wants to make a 10% acid solution. She has already poured 12 qt. of pure water into a beaker. How many qt. of a 40% acid solution must she add to this to create the desired mixture?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders