Box A contained 1.36 kg of sand, box B contained 0.6 kg of sand, box C contained 1.68 kg of sand and box D contained 1.54 kg of sand.After some sand was transferred from box C to box A and from box D to box B, boxes A and B had the same amount of sand and box C had 5 times as much sand as box D.
(a) How much sand was transferred from box D to box B? [Ans: 1.315 kg]
(b) How much sand was transferred from box C to box A? {Ans: 0.555 kg]
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