Question

suma a 2 nr este 960 .raportul lor este 4/6 .aflati nr

Answer 1

a/b=4/6 =>a=4b/6=2b/3
2b/3+b=960 => 5b/3=960=> 5b=2880=> b=576 
a=384

Answer 2

a+b=960⇔a:b=4/6⇔b=2/3*a⇔a+2/3*a=960⇔fie 1/3 *a=k⇔3k+2k=5k=960⇔k=192⇔a=192*3⇔a=576⇔b=384
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