A four sided ploygon is called?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2

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.