BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

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Source: — Problem Solving |

by PussInBoots » Thu Aug 06, 2009 1:02 pm
t = # phone calls / # days
t is same for three months
20t + 17t + 19t = 58t = 168 => t = 3 => 19t = 57
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by ST » Thu Aug 06, 2009 5:25 pm
thank you. make sense now.
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