Question

Young's rule for determining the size of a child's medicine dosage is given by $c = frac{ad}{a + 12}$, where a is the child's age and d is the usual adult dosage. (Warning: Do not apply this formula without consulting a physician.) The usual dosage of a medication is 220 mg. Find the dosage for a 10-year old child. Round to the nearest milligram. The child's dose is mg. Solve the formula for d. A. $d = frac{13c}{a}$ B. $d = frac{c(a + 12)}{a}$ C. $d = frac{12c}{d - c}$ D. $d = c(a + 12) - a$

          Young's rule for determining the size of a child's medicine dosage is given by $c = frac{ad}{a + 12}$, where a is the child's age and d is the usual adult dosage. (Warning: Do not apply this formula without consulting a physician.) The usual dosage of a medication is 220 mg. Find the dosage for a 10-year old child. Round to the nearest milligram.
The child's dose is  mg.
Solve the formula for d.
A.  $d = frac{13c}{a}$
B.  $d = frac{c(a + 12)}{a}$
C.  $d = frac{12c}{d - c}$
D.  $d = c(a + 12) - a$

$Young's rule for determining the size of a child's medicine dosage is given by c = fracada + 12, where a is the child's age and d is the usual adult dosage. (Warning: Do not apply this formula without consulting a physician.) The usual dosage of a medication is 220 mg. Find the dosage for a 10-year old child. Round to the nearest milligram. The child's dose is mg. Solve the formula for d. A. d = frac13ca B. d = fracc(a + 12)a C. d = frac12cd - c D. d = c(a + 12) - a$

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