maripatino16 maripatino16

11-09-2015
Mathematics

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sixty eight student are separated into two groups.the first is 3 times as large as the second .how many are in each group

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alice2020324 alice2020324

11-09-2015

answer: first 51 second 17
x=second group, 3x=first group
3x+x=68
4x=68
x=17
3x=3*17=51

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michelleshie michelleshie

11-09-2015

68 = 3x + x
68 = 4x

x = 17
3x = 51

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