Question

a+b=259;a=b:3:2;; a+a:6x4=1370 ;a=?

Answer 1

a+b=259
a=b:3:2=b:6
b:6 + b=259  (amplificam cu 6)
b + 6b=259x6
7b=259x6=1554
b=1554:7=222
a=259-222=37


a+a:6x4=1370
a+4a:6=1370 (amplificam cu 6)
6a+4a=1370x6
10a=8220
a=822