exam
Maths Puzzle
Numerical Ability
A plumber needs 3 times as much solid pipe as perforated pipe to lay a drain line 200 feet long. How much solid pipe is needed?
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Could use any help available. Thanks
5i/3-i
I cannot figure out the restrictions, i am completely confused!!
6/x+3-5/x-2=-20/x^2+x-6