mickylove16 mickylove16

26-08-2016
Mathematics

contestada

Amy has $8 less than Maria.Together they have $30

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texaschic101 texaschic101

26-08-2016

a + m = 30
a = m - 8

(m - 8) + m = 30
2m - 8 = 30
2m = 30 + 8
2m = 38
m = 38/2
m = 19

a = m - 8
a = 19 - 8
a = 11

so Amy has $11 and Maria has $ 19

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