800 g of sugar solution has 40% sugar in it. How much sugar should be added to make its proportion at 60% in the solution?

800 g of sugar solution has 40% sugar in it. How much sugar should be

1.	800 g of sugar solution has 40% sugar in it. How much sugar should be added to make its proportion at 60% in the solution?
A.	320 g
B.	380 g
C.	400 g
D.	420 g
Answer» D. 420 g

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800 g of sugar solution has 40% sugar in it. How much sugar should be added to make its proportion at 60% in the solution?

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