Question

determinati doua nr naturale a si b , direct proportionale cu nr 2 si 3 , stind ca a +b =25

Answer 1

a/2=b/3=k
a/2=k=>a=2k
b/3=k=>b=3k
a+b=25
2k+3k=25
5k=25
k=25:5
k=5
a=2*5=10
b=3*5=15