You make and sell triangular flags. each flag has a base of 3.53.5 feet and a height of 2.52.5 feet. fabric for the flags costs $0.40$0.40 per square foot. what is the cost to make one flag?
Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable