document.write( "Question 391130: Cowling’s rule is another method for determining the dosage of a drug to prescribe to a child. For this rule, the formula
\n" ); document.write( " d=D(a+1)/24\r
\n" ); document.write( "\n" ); document.write( "gives the child’s dosage d, where D is the adult dosage and a is the age of the child in years. If the adult dosage of a drug is 600 milligrams and a doctor uses this formula to determine that a child’s dosage is 200 milligrams, then how old is the child?
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #277435 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
Cowling’s rule is another method for determining the dosage of a drug to prescribe to a child. For this rule, the formula
\n" ); document.write( " d=D(a+1)/24\r
\n" ); document.write( "\n" ); document.write( "gives the child’s dosage d, where D is the adult dosage and a is the age of the child in years. If the adult dosage of a drug is 600 milligrams and a doctor uses this formula to determine that a child’s dosage is 200 milligrams, then how old is the child?
\n" ); document.write( "...
\n" ); document.write( "d=D(a+1)/24
\n" ); document.write( "D= 600
\n" ); document.write( "d=200
\n" ); document.write( "a=?
\n" ); document.write( "200=600(a+1)/24
\n" ); document.write( "\"%28200%2A24%29%2F600+=+a%2B1\"
\n" ); document.write( "=\"8=a%2B1\"
\n" ); document.write( "a=8-1
\n" ); document.write( "a=7 the child's age
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
\n" ); document.write( "
\n" ); document.write( "
\n" );