book Maths Puzzle Numerical Ability

I'm having a very difficult time trying to answer this question. Here it is:
Ari Gant and Charles Pompuss took turns driving on a round trip using the same route both ways. Ari

Read Solution (Total 0)

book Other Question

log(x,5)+log(5,x)=2 Reduce the following expression to lowest terms:

x^2 - 9x + 14/5x^2 - 20