130
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The number 130 is the outlier in the sequence because it is significantly larger than the other numbers.
The outlier is 9.
20x=130 x=130/20 x=6.5 or 13/2
this is really very easy; there are two ways you can do it: with a scientific calculator: 26/20*100=130 in your head 100%=20 10%=2 13*2=26 13*10%=130% either way your answer should be 130%
The outlier is the value that is really far off, for example say you had playing times of songs and most songs were 2 - 4 minutes, but one was 17 minutes, then this would be your outlier. I Hope this helps!
Length = 20 mBreadth = 19 mPerimeter = 2(Length + Breadth) = 2(20 + 19) = 2 * 39 = 78 mArea = Length * Breadth = 20 * 19 = 380 m2