You are laying a concrete border around a circular pond. The pond is 7 metres in diameter and is surrounded by a path 2 metres wide. The concrete needs to be 50 millimetres deep. m__t Baab You are using premixed bagged concrete.. 1 cubic metre m3 requires 106 * 20 kg bags.. How many 20 kg bags of premixed cðncrete do you need? Round your answer to the nearest whole number. bags
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