exam
Maths Puzzle
Numerical Ability
You clocked the time between lightning and thunder as 8 seconds. About how far away was the lightning?
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I dont have any clue as to what i need to do for this problem.
(x^3*x^4/x^2)^6
If the length of the side of a square is increased by 6 units, the area is multiplied by 4. Find the original side length.