Question

A = { a , b }
B = { 0,25; 0.2; }
A invers proportional cu B
3a+2b-6=60

Answer 1

egalam cu k,
a/25/100=b/2/10=k,$a/1/4=b/1/5=k$,⇒[tex]a=k/4 b=k/5[/tex],[tex]a=4k b=5k (invers proportionale)[/tex],
$22k=46$,k = 46/22=23/11,
a=4*23/11=92/11,
b=5*23/11=115/11