I don’t know how to slove

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting. find two equivalent expressions that would give the area of the new painting y+0.49y

The width of a piece of rectangular land is 5m shorter rhan 1/3 of its length .find the width of the land if the length is 60m,150m.

For her new mp3 player, alicia wants a case that is in. long. the online store shows case sizes in decimal measurements. what length case should she order?