Mathematics, 18.03.2021 19:30 Angellbatton6763

cement, sand and gravel mixed in the ratio 1:4:6.If 20 buckets of sand are used, how many buckets of cement of the following will be needed?

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cement, sand and gravel mixed in the ratio 1:4:6.If 20 buckets of sand are used, how many buckets of...