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Mathematics, 02.07.2020 20:01 ttrinityelyse17
You are laying a concrete border around a circular pond ...The pond is 7 meters in diameter and is surrounded by a path 2 metres wide . The concrete needs to be 50 mm deep .. You are using premixed bagged concrete . 1 cubic metre requires 106 x 20 kg bags . How many 20kg bags of premixed concrete do you need
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