<PRE><B>Question 335898</B>
the formula d=D(a+1) divided by 24 gives the child’s 
dosage d, where D is the adult dosage and a is the 
age of the child in years.
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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?
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d=D(a+1)/24
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200 = 600(a+1)/24
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a+1 = 8
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a = 7 yrs old
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Cheers,
Stan H.
</PRE>