One day the son back to home from school and tell his mother"mom,I get a 100 score for the test!". His mom felf very happy and asked" My good boy,which subject?". Son replied" Math 30, art 30, sport 40".
cartoonstock.com/newscartoons/cartoonists/jha/lowres/jhan671l.jpg (I'm new here and I'm not allowed to post links and pics, that's why the link is without http)