The school wants to replace the tiles in one of the classrooms, and the dimesions of the room are 11 feet by 14 feet. if the cost of the materials per square foot is $3.50, then what is the total cost?

First we find the total area:
area formula is length * width or L*W = A
so we pluf in 14 and 11 and as a result, we get 11*14 = 154

Then we must find the cost,
This is the eaiest step, we multiple 154 by 3.5 getting 539 dollars

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4hours and 40 mins she would be 120 meters high