One wall of eric's bedroom is 15 feet wide and 8 feet high.A door on the wall is 7 feet high and 3 feet wide.how much wall paper will eric need to cover the wall?
area of front wall= 7*15=105 area of back wall=7*15=105 area of side wall=8*15=120 area of other side wall=8*15=120 Total area of walls= 105+105+120+120=450 450/7=64.28..