book Maths Puzzle Numerical Ability

what is the answer to this equation please show work!
Solve -14<3x+1<1
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negative forteen is less than or equal to three x plus 1 is less than one.

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book Other Question

Leon drove 270 miles to the lodge in the same time as Pat drove 330 miles to the lodge. If Pat drove 10 miles per hour faster than Leon, then how fast did each of them drive? How do you find the exact square root of 500; not using decimals?