exam Maths Puzzle Numerical Ability

This problem has been causing me some problems can you help me with it?
x + 5 > 2x + 1 and -4x < -8
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This is all one problem including the and. The first symbol is les

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exam Other Question
the formula m=1/5t can be used to determine how i far m, miles you are form lighting when its thunder takes t seconds to reach your ears if it takes 4 sec for the sound of thunder Simplify the rational expression:

x2 - 6x + 8
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x2 - 4