exam Maths Puzzle Numerical Ability

I do not know how to even begin to solve the following inequality:

[(x-3)/(x+2)]>2

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exam Other Question

not sure if in right category
but when the question is like jill does this in 30 min
bob does it in 45
sue takes an hour and a half
how long does it take all of them to do it together
i have no idea how to solve this problem A Gardener has 60 feet of fencing to enclose a rectangular garden and the two foot wide border surrounding it.

If The length of the garden is twice its width, what are its dimensions?