Mia purchased a book for $22.30 that were regularly priced at $30.00,not including tax. what percent of the cost did mia save by purchasing the book on sale?

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

Find the missing dimension! need asap! tiny square is a =3025 in ²

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost