document.write( "Question 214454: Please help me with the following problem:\r
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document.write( "Young’s rule for determining the amount of a medicine dosage for a child is given by C=ad/a+3, where \"a\" is the child’s age and \"d\" is the usual adult dosage, in milligrams. (Warning ! Do not apply this formula without checking with a physician!) An 8-year old child needs medication. What adult dosage can be used if a child’s dosage must stay between 100 mg and 200 mg?\r
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document.write( "This must be solved in the form of an inequality.\r
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document.write( "I appreciate and thank you for your help! \n" );
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Algebra.Com's Answer #161984 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! C=ad/a+3 \n" ); document.write( "200=8d/8+3 \n" ); document.write( "11*200=8d \n" ); document.write( "2200=8d \n" ); document.write( "275=d \n" ); document.write( "-------------- \n" ); document.write( "100=8d/8+3 \n" ); document.write( "11*100=8d \n" ); document.write( "1100=8d \n" ); document.write( "137.5=d \n" ); document.write( "--------------- \n" ); document.write( "137.5 < d < 275 \n" ); document.write( " |