Mathematics, 26.10.2020 05:50 Svetakotok

There are 90 new houses being built. Last month, 1/6 of them were sold. This month, 1/5 of the remaining houses were sold. How many houses are left to be sold?

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There are 90 new houses being built. Last month, 1/6 of them were sold. This month, 1/5 of the remai...