What is the result of converting 20 ounces into pounds

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

With both problems. a.s.a.p directions on photo ^

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.