Problem
First name
Isabelle Stratford
School
Manorfield Primary School C of E
Country
Age
9
100 metres:9.5 seconds
What I did was find the improvement over 40 years, then the improvement per year by dividing that by 40. Then iI multiplyed the answer by 64 and took that away from the record in 1948.
200 metres:18.7 seconds
I used the same method as above.
400 metres:38.52 seconds
I used the same method as above.
800 metres:104.2 seconds
I used the same method as above.
1500: 221.4 seconds
I used the same method as above.