Asked by đào
                Có 3 cái ly đựng sữa cùng thể tích. Allen rót 210 ml sữa trong cốc A vào cốc C, và 150 ml sữa trong cốc B vào cốc C. Cuối cùng, tỉ số giữa thể tích sữa trong cốc A và thể tích sữa trong cốc B là 3 : 8. Khối lượng sữa trong mỗi ly lúc đầu là bao nhiêu?
            
            
        Answers
                    Answered by
            mathhelper
            
    Translated with "Google translate"
There are 3 milk cups of the same volume. Allen pours 210 ml of milk in cup A into cup C, and 150 ml of milk in cup B into cup C. Finally, the ratio of the volume of milk in cup A to the volume of milk in cup B is 3: 8. Mass of milk How much was in each glass at the beginning?
Let the amount in each cup be x ml
after the outpouring:
cup A has x - 210
cup B has x - 150
cup C has x + 270
(x-210) : (x-150) = 3:8
(x-210) / (x-150) = 3/8
8x - 1680 = 3x - 450
5x =1230
x = 246
State your conclusion.
    
There are 3 milk cups of the same volume. Allen pours 210 ml of milk in cup A into cup C, and 150 ml of milk in cup B into cup C. Finally, the ratio of the volume of milk in cup A to the volume of milk in cup B is 3: 8. Mass of milk How much was in each glass at the beginning?
Let the amount in each cup be x ml
after the outpouring:
cup A has x - 210
cup B has x - 150
cup C has x + 270
(x-210) : (x-150) = 3:8
(x-210) / (x-150) = 3/8
8x - 1680 = 3x - 450
5x =1230
x = 246
State your conclusion.
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