Question 910924
The perimeter of a rectangular swimming pool is 70 meters. The pool is twice as long as it is wide. What is the length of the pool?
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let x=width of pool
2x= length of pool
2(width+length)=perimeter
2(x+2x)=70
6x=70
x=70/6
2x=70/3=23-1/3 
What is the length of the pool? 23-1/3 m