exam Maths Puzzle Numerical Ability

Solving inequalities with absolute values

I need an example of this and a way to solve it.
thank you

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exam Other Question

An 80 page newspaper is in one section. The sheet with page 11 on it is missing. What other pages are missing? wk6

Problem #1

Simplify

radical one fifth

Problem #2

Simplify

2 radical (12) + 4 radical (27)

Problem #3
Simplify

(7 + radical (5)) ( 7 - radical (5) )