Răspuns :
Ana are cel putin 4, Ina cel putin 5
numarul minim = 4+5=9
numarul maxim este 9+7 = 16
Ana cel putin 4 acadele si Ina cel putin 5 acadele impreuna au :
4+5=9 acadele ( nr minim )
Ana are cel mult 7 acadele , iar Ina cel mult 9 acadele :
9+7=16 acadele ( nr maxim )