Inverse variation or not 1 The number of hours to finish a job to the number of men working
2. The intensity of light from a bulb to the square of the distance from the bulb
3. Air pressure to its altitude.
4 Family expenses as to the number of children
5. The area of quadrilateral to the length of its side
6. The area of the wall to the amount of paint used to cover it
7 The aged of car used to its resale value
8 The number of persons sharing a pie to the size of the slices of the pre
9 The time spent in walking to the rate at which a person walks
10 The time a teacher spends checking papers to the number of students​