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Mathematics, 19.02.2020 17:58 kimmi1489

The diameter and length of a roller is 120cm and 84cm respectively. To level the ground, 200 rotations of the roller are required. Find the expenditure to level the ground at the rate of $10
per sq. m ?

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The diameter and length of a roller is 120cm and 84cm respectively. To level the ground, 200 rotatio...
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