exam Maths Puzzle Numerical Ability

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Page 204
Number 2

Four less than nine times a number is one hundred twenty two find the original number.

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i have a question, can anybody help me on this? thanks!!

A traveller makes his journey through a particular network of roads. He always goes forward and never retraces his st
Please solve and graph the inequality. thanks!

-3 < 2x - 1 < 9