exam Maths Puzzle Numerical Ability

25% of 120

I am guessing 30 am I right?

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exam Other Question

10/x+3-3/5=10x+1/3x+9

Can you solve this?
_ Can you please explain how to do this problem. the abosolute value of x-2 is less than or equal to 9. The answer is x is less than or equal to 11 or x is greater than or equal to -7. How do you get these?