Both relationships representa direct proportion between x and y. The rate of change of relationship B is how many units greater than the rate of change of relationship A

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?