A$100 mp3 player is marked up by 10% and then marked down by 10%. what is the final price? explain your answer.

If jaime wants to find 60% of 320, which table should he use?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Ineed to know the answer to this algebra question.