s0yabean s0yabean 17-02-2022 Mathematics contestada Sally is going to paint the 4 walls in her bedroom. Her bedroom is 3.5 m long , the breth is 2.8 m and 2.2 m high.the door and window from her bedroom are together 3.2 m².With one can of paint she can paint 4.5 m².how much cans of paint does sally need?