The graph consists of the rectangle QRPS and the line segment RT, and the point T is on PS. The area of triangle RST is 7 and PT=2/5*PS. What is the area of PQRS?
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: The graph consists of the rectangle QRPS and the line segment RT, and the point T is on PS. The area of triangle RST is 7 and PT=2/5*PS. What is the area of PQRS?
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: The graph consists of the rectangle QRPS and the line segment RT, and the point T is on PS. The area of triangle RST is 7 and PT=2/5*PS. What is the area of PQRS?