Question 819882
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
It takes rita 15mins to walk 1km.
how long {{{green(X)}}}  will it take her to walk 3km
 {{{(15min)/(1km) = X/(3km)}}}       |Cross Multiplying to solve
           X = 45min   0r <sup>3</sup>&frasl;<sub>4</sub> hr