7th grade math help me pleaseee

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

The room above is shaped like a rectangle and has a perimeter of 34 feet. if the room is 11 feet long, how wide is it?