Astore had a number of chairs in stock at the beginning of the week. during the week, 66 chairs were sold, leaving the store with 15 chairs. how many chairs did the store have at the beginning of the week?

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