magazie 1 : a
magazie 2 : b
a = b x 5
a) a = 80q + b
5 x b = 80+b
5 x b - b =80
4 x b = 80
b = 80 : 4
b = 20 q a = 20 x 5 = 100 q
a-b=100-20=80
1q = 100kg
magazia 1 : 100q =10 000 kg faina
magazia 2 : 20q = 2 000 kg faina
b) magazia 1 = magazia 2 = 90q
a = b x 5 = 90 x 5 = 450 q
magazia 1 : 450q = 45 000kg faina
magazia 2 : 90q = 9 000kg faina