SOLUTION: Erik charged $150 to paint one short side of a 12 m by 20 m house. what will be the total amount charged for the other 3 sides?

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Question 803316: Erik charged $150 to paint one short side of a 12 m by 20 m house. what will be the total amount charged for the other 3 sides?
Answer by jane8883(1) About Me  (Show Source):
You can put this solution on YOUR website!
12mx20m=$150
150x3=$420
answer is $420