Four bricks

A trolley carrying 4 bricks weighs 16 kg. When 1 brick is taken away, it weighs 13.5 kg. How much does it weigh if 1 brick is in the trolley?

Your answer:

kg


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You need to know the following knowledge to solve this word math problem:

algebraarithmeticUnits of physical quantitiesGrade of the word problem

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