Question

Afla nr a.b.c si d stiind ca: a+b+c+d=1370 ,a:b=4rest 12,b=c:3,d=succesorul par al nr 612

Answer 1

a:b=4 rest 12 => a=4b+12
b=c:3 => c=3b
d=614
4b+12+b+3b+614=1370
8b+626=1370
8b=1370-626
8b=744 => b=93
a=4•93+12 => a=384
c=3•93 => c=279