Aflam cati trandafiri s-au plantat in total
9*5+((9*5)*4)=
=45+(45*4)
=45+180
=225 trandafiri rosii si albi
Aflam cati trandafiri albi au ramas in ronduri
9*5+((9*5)*3)=
=45+(45*3)
=45+135
=180 trandafiri ramasi
Aflam cati trandafiri albi s-au uscat
225-180=45 trandafiri albi,uscati......(sau...180-135=45 trandafiri uscati)