Question

甲糖18元/kg,乙糖10元/kg,把甲乙两糖配成12.5元/kg的什锦糖40kg,甲乙两糖各有几kg

Answer 1

设甲糖 x kg

18x + 10(40-x) = 12.5*40

x = 12.5 kg ----甲糖

40-12.5 = 27.5 kg ----乙糖