A photo of size 30cm x 20 cm has to be fitted in a photo frame of
thickness 2cm. Find the cost of polishing the frame at Rs. 15 per sq cm.
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Photo size is 30cm length and 20 cm breadth thickness = 2 cm = area of rectangle = length multiply by breadth = 600 sq cm
2 pilish frame at 15 rs per cm sq = 15multiply by 600 = 9000 plz follow me i try my best
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