Question 623905
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Hi,  
The perimeter of a rectangle is 25 cm less than five times its length{{{highlight(x)}}}   
Find the width of the rectangle if it is 5 cm less than the length{{{highlight(x)}}}  
    P = 5x-25cm 
        5x-25cm = 2x + 2(x-5cm)  
              x = 15cm, the length, the width is 10cm
and 
CHECKING our Answer***
 50cm = 30cm + 20cm