Seudónimo
Seudónimo
10-10-2016
Mathematics
contestada
I need help with part A
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ytrewq
ytrewq
15-10-2016
use x as the variable for Kim's sister's age. kim being twice as old as her sister should be represented as 2x. their ages add up to 36 so put add the terms representing Kim and her sisters age and make it equal to 36.
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