An airplane can fly at a speed, that allows it to fly 50 yards in 3⁄2 of a second. How long will it take an airplane at the same speed to fly 20 yards? Write your answer as a fraction of a second. of a second

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