Cows and Ducks, Briquinex Test

Today Briquinex take you in the countryside. You are told that in a courtyard there are ducks and cows.
 The total is 100 feet and 36 heads. Briquinex wants you to solve how many cows and how many ducks are?
photo source:wikipedia

Others enjoyed :

1 comment:

  1. monira has answered correctly. Congratulations!