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Cowlings rule. Cowlings rule is another method for determining the dosage of a drug to prescribe to a child.

98. Cowlingâs rule. Cowlingâs rule is another method fordetermining the dosage of a drug to prescribe to a child.For this rule, the formula d = D(a + 1) / 24gives the childâs dosage d, where D is the adult dosageand a is the age of the child in years. If the adult dosageof a drug is 600 milligrams and a doctor uses thisformula to determine that a childâs dosage is200 milligrams, then how old is the child?Section 2.5: Exercise 36, 48, 58, and 68Write algebraic expressions for the following unknown integers.36. Three consecutive even integersFind an algebraic expression for the quantity in italics usingthe given information.48. The rate, given that the distance is 200 feet and the timeis x + 3 seconds58. The perimeter of a rectangle, given that the lengthis x yards and the width is 10 yards shorterIdentify the variable and write an equation that describeseach situation.

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