exam Maths Puzzle Numerical Ability

solve and graph the solution on the number line note : ( < smaller and equel to )

2(2 - 3x) < 4(x + 1)

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exam Other Question

Which quadrant will the area be if x > 0 and y < 0? Can the area be shifted to a different quadrant simply by using additional inequalities? Why?

I cannot understand the question. Kindly help me. Thank you for helping me out one watering system needs about 3 times as long to complete a job as another watering system.when both systems operate at the same time,the job can be completed in 9 mins.how long does it take each systemto do the job alone?