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January 28, 2015

January 28, 2015

Posted by **felicia** on Saturday, June 2, 2012 at 8:45pm.

I really need the answer ! PLZ PLZ PLZ ! cant figure it outtt !!!! -___-

- math -
**felicia**, Saturday, June 2, 2012 at 8:54pmNvmd yo ! I got it !

- math -
**Bosnian**, Saturday, June 2, 2012 at 10:55pmx1 + x2 + x3 = 86 + 92 + 94 = 272

( x1 + x2 + x3 + x4 ) / 4 = 90

( 272 + x4 ) / 4 = 90 Multiply both sides by 4

272 + x4 = 90 * 4

272 + x4 = 360

x4 = 360 - 272 = 88

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