Question

a photographer measures 15 cm × 9 cm. It is to be framed in wood after pasting in on a slightly larger white bord.The cost wooden frame is 6 per cm. what would be the width of the border (white space) on all four side of the photograph,if the cost of the frame is 312


Answer=1cm​

Answer 1

Answer:

So, thickness of border =x =0.67 cm

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