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Mathematics, 06.01.2020 00:31, sailesd57
Concrete tiles are made using buckets of cement, sand and gravel mixed in the ratio 1: 4: 6. if 20 buckets of sand are used, how many buckets of cement and sand will be needed?
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Concrete tiles are made using buckets of cement, sand and gravel mixed in the ratio 1: 4: 6. if 20 b...
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