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QUESTION
Ross weighs 30 packets of sweets and finds the total mass is 1.5kg. He also weighs 25 chocolate bars and finds the mass is 1kg. What is the difference in mass between a box of packet of sweets and a c
Ross weighs 30 packets of sweets and finds the total mass is 1.5kg. He also weighs 25 chocolate bars and finds the mass is 1kg. What is the difference in mass between a box of packet of sweets and a chocolate bar?
