DIY Challenge 3: The fastest horse
How would you find the fastest horse out of 20 horses?
What students worked out2
Student 3
5 races
5 horses x4 races
5th race with all fastest horses of above 4 racesStudent 2
4 races first
row 1
row 2
row 3
row 4
eliminate all except the first in all of the races
4 left race these now
eliminate 2/3/4
the one who came first is the fastest
total of 5 races