Question

Aflati doua numere, stiind ca suma lor este 455, iar raportul lor este 4/3.

Answer 1

a+b=455
a/b=4/3 =>a=4b/3
4b/3+b=455
4b+3b=1365
7b=1365 =>b=195
a+195=455
a=455-195 =>a=260

Answer 2

a+b=455
a/b=3/4
4a=3b
a=3b/4
3b/4+b=455
3b+4b=1820
7b=1820
b=260
a=3·260/4=195