Question

a + b = 300
b = c × 9
c : 4 = d
d = e : 6
e : 6 =19





a × b = 90
b = c × 3
c = d : 10
d - e = 250
e : 10 = 5 VĂ ROG URGENT P.S. DAU COROANĂ

Answer 1

e:6=19 e=19×6 e=114 c÷4=d c=19×4 c=76 d=e÷6 d=114÷6 d=19 b=c×9 b=76×9 b=684 a+b=300 a=684-300 a=384