17-10-2016
Mathematics

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sari has 3 times as many pencil eraser as sam they have 28 eraser how many eraser does sari have?

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JulieC246 JulieC246

17-10-2016

The equation is 3x + x = 28
                             4x     = 28
Divide both sides by 4 and you get
                               x     = 7 ( Sam's amount)
Because Sari has 3 times as much multiply 7 by 3
   Sari = 21

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