Mathematics, 11.03.2021 14:00, wolfgirl10000

A pond is 7 metres in diameter surrounded by a path 2 metres wide. Concrete is 50millimetres deep.
Premixed bag - 1 cubic metre ( m3) requires 106 x 20kg bags.
How many 20 kg bags do I need

Answers: 2

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A pond is 7 metres in diameter surrounded by a path 2 metres wide. Concrete is 50millimetres deep.<...