book Maths Puzzle Numerical Ability

how many sides does a regular polygon have if it has exterior angles of 20 degrees

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book Other Question

When you are doing absolute value and the problem is a negative when you solve it does it stay negative or do u ignore the negative sign? Thnx. 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?