To lose weight, the number of calories, k, needed each day by a moderately active woman who weighs W pounds, is H inches tall, and is A years old can be estimated by the following formula:
a). If Amymoderately active, weight 150 pounds, is 64 inches tall, and 27years old what are her caloric needs

b). Solve the formula for W in terms of K, H,and A.