Homework Help: math

Posted by Nina on Thursday, September 18, 2008 at 1:57pm.

I'm not sure of how to solve word problems. The question is,"One lawn fertilizer is 24% nitrogen and another is 12% nitrogen. How much of fertilizer should be mixed to obtain 100 kg of fertilizer that is 21% nitrogen?"

math - bobpursley, Thursday, September 18, 2008 at 1:58pm
see the other post.

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