Răspuns :
50 kg...............200 RON
5 kg.................. x RON
(200 × 5) ÷ 50 =
= 1000 ÷ 50 =
= 20 RON; x = 20 RON
5 kg.................. x RON
(200 × 5) ÷ 50 =
= 1000 ÷ 50 =
= 20 RON; x = 20 RON