Answer:
the third quartile is 8.......
The answer is D
1) Add all the hours to get 32.9
2) multiply by 21.07
3) The answer is 693.203, which is $693.20
So you start by subtracting 3 from 35, which is 32. 32/8 = 4. So three years ago, Tim's son was 4 and Tim was 32. The percentage is about 13%