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Mathematics 20 Online
OpenStudy (anonymous):

The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. What is the length of the rectangle?

OpenStudy (anonymous):

105x*95x=175lb 2b^2=lb

OpenStudy (anonymous):

lb=57

OpenStudy (mathstudent55):

|dw:1404281054573:dw|

OpenStudy (mathstudent55):

Use x for the width of the original rectangle. What is its breadth? Can you label the figure above?

OpenStudy (anonymous):

where is width

OpenStudy (anonymous):

|dw:1404281300746:dw|

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