Question

In an 8.00 {\rm km} race, one runner runs at a steady 12.0 {\rm km}/{\rm h} and another runs at 14.0 {\rm km}/{\rm h}.

Answer 1

A boat takes 2.0hr {\rm hr} to travel 26km {\rm km} down a river, then 6.0hr {\rm hr} to return.