document.write( "Question 295971: I need to develop a linear system of two equations that will show how many servings of each vegetable will give me the recommended daily allowance of calcuim and iron....
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document.write( "my known items are:
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document.write( "10 oz pkg of broccoli has 159 mg of calcium and 2.3 mg iron
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document.write( "1/2 c of corn has 3.3 mg of calcium and .3 mg of iron
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document.write( "the RDA of calcium is 1000 mg and RDA of iron is 18 mg\r
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document.write( "i know that i will need 6 servings of broccoli and 16 servings of corn to get the RDA of each nutrient....but how would I write this out and be able to solve it? \r
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document.write( "i have gotten as far as x + y = 1018 mg
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document.write( " 6x + 16y = 1026 mg but now i am stuck...HELP! \n" );
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Algebra.Com's Answer #213449 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! look at the nutrients individually\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let b equal servings of broccoli and c equal servings of corn\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "for Ca ___ 159b + 3.3c = 1000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "for Fe ___ 2.3b + .3c = 18\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solving the simultaneous equations will give the number of servings needed \n" ); document.write( " \n" ); document.write( " |