Math, asked by temsing, 11 months ago

five planks of wood, each of lenth 3.4 m and breadth 0.4m are to be painted on both sides. what will be the cost of painting at ₹8.50 a square metre

Answers

Answered by kalpana89

0

area of 1 plank of wood =length×breadth = 3.4×0.4=13.6m square. area of 5 planks of wood =13.6×5=68.0m square cost of painting = 68.0×8.50 =Rs.578

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