SOLUTION: Mary must order some wall trim for her living room in her new house. The room is 30 feet by 19 feet, and it has three doors. One doorway is 8 feet across, one is 4 feet across, a

Question 613265: Mary must order some wall trim for her living room in her new house. The room is 30 feet by 19 feet, and it has three doors. One doorway is 8 feet across, one is 4 feet across, and one is 3 feet across. No wall trim is needed for the doorways. If trim can only be ordered by the yard. How many yards will Mary need to order?
A. 27
B. 28
C. 32
D. 33
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi, 

Mary must order some wall trim for her living room in her new house.

The room is 30 feet by 19 feet: 98 ft around

No wall trim is needed for the doorways: 8',4' and 3'

 98 - 8'-4'-3' = 83ft

  83ft/3 = 27 2/3 yd, Mary must order 28yds of trim 

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