Cowlingamp;acirc;s rule. Cowlingamp;acirc;s 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, and 58Write algebraic expressions for the following unknown integers.36. Three consecutive even integersFind an algebraic expression for the quantity in italics usingthe given information.Hint: Let x equal the first even integer. Since the next even integer differs by 2, the next even integer is (x+2), and the next is (x + 4).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.