Question

aflati doua numere cu suma 10 si raportul lor egal cu 2 supra 3

Answer 1

$a+b=10\\\\ \frac{a}{b}= \frac{2}{3} \\\\Din\ a\ doua\ realtie\ putem\ deduce\ ca\ a=2k,\ iar\ b=3k.\\\\Inlocuim\ in\ prima\ relatie:\ \\\\2k+3k=10\\\\5k=10\\\\k=2\\\\Astfel,\ a=2\cdot2=4,\ iar\ b=2\cdot3=6.$

Answer 2

a/b = 2/3 de unde rezulta : a x 3 = b x 2
a + b = 10 inmultim cu 3
3a + 3b = 30
2b + 3b = 30
5b = 30
b = 6 de unde rezulta a = 4