Question 74113
<pre>
1 meter = 100 centimeter
1 minute = 60 seconds

   40 cm      60 s         1 m          ___ m
  _______ * _______ *  _________ =   _________
     s       1 min      100 cm          min



   {{{cross (40 cm)}}}      {{{cross (60s)}}}         1 m          ___ m
  _______ * _______ *  _________ =   _________
     {{{cross (s)}}}       1 min      {{{cross (100 cm)}}}          min



     4        6         1 m            24 m
  _______ * _______ *  _________ =   _________
     1       1 min        1              min