book Maths Puzzle Numerical Ability

Word problem:
Two identical pens for dogs are to be enclosed with a total of 161 feet of fence. If the length of each pen is to be 3 feet less than twice it's width, find the di

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book Other Question

Simplify: -√[121] + (-1)^3 4-6(3x-1)<5x+2

4-18x+6<5x+2
-5x -5x
4-13x+6<2
-4 -4

-13x+6<-2
-6 -6
-13x<-8
_______
-13x -13x

x=8/13