exam Maths Puzzle Numerical Ability

Hi. May I have some help with this inequality?

Solve the inequality. Express the solution using interval notation.

3.6 - |2x - 1| ≤ 1.6

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exam Other Question

2,20,10,100,50, Suppose you and your friends form a band.You want to record
a demo.Studio A rents for $100 plus $50/hrs.Studio B rents for
$50 plus $75/hrs.

a.Solve the system by graphing