Question 820361
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
andy runs a 5 kilometer race in 40 minutes. if andy maintains that same pace, 
how many kilometers {{{green(X)}}}can andy run in an hour? 
{{{(5k)/(40min) = X/(60min)}}}    Cross Multiplying to solve
     40X = 300
        X = 7.5k   0r    7<sup>1</sup>&frasl;<sub>2</sub> k