Question

In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:

Answer 1

a:B = 100 : 75
b : C = 100 : 96
a :C = a/b×b/c = 100/75×75/96 = 100/72 = 100:72
A beats C by 100-72 m= 28 m

thank you