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Mathematics 7 Online
OpenStudy (anonymous):

A contractor charges $209 to carpet a 90-square-foot room and $289 to carpet a 140-square-foot room. The contractor charged a customer $553 to carpet a room under this same pricing plan. What was the area of the room that was carpeted?

OpenStudy (anonymous):

264 sq ft 305 sq ft 488 sq ft 950 sq ft

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