The area of farhan's reading room in 40 square metres and its length is 10 metres. the length of his reading table is 1 metre and 50 cm . farhan's mother put another table of the same size in that room.
question; how much area will remain unoccupied in the room after keeping two tables

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright