Mathematics, 15.12.2021 07:30 lilisagaser4505

A wall is 18 in. Thick, 4 in. Is concrete, 9 in. Is brick and 5 in. Is limestone. What fraction of the wall is concrete

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A wall is 18 in. Thick, 4 in. Is concrete, 9 in. Is brick and 5 in. Is limestone. What fraction of t...

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