Mathematics, 27.06.2019 03:00, hdhdjjdj80HDjdjdj

The good seed flower shop sells its own brand of fertilizer. it mixes one brand of fertilizer that contains 7% nitrogen with another than contains 8% dinitrogen. the resulting mixture contains 7.7% nitrogen. how many pounds of the 8% fertilizer must be used to make 200 pounds of the 7.7% mixture

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The good seed flower shop sells its own brand of fertilizer. it mixes one brand of fertilizer that c...