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Call the least integer in S: L(s), the most M(s) the least integer in T: L(t), the most M(t) Average(s) = [ L(s) + M(s) ] / 2 = [ L(s) + L(s) + 9*2 ] / 2 = L(s) + 9 Average(t) = [ L(t) + M(t) ] / 2 = [ L(t) + L(t) + 4*2 ] / 2 = L(t) + 4 Average(s) - average(t) = L(s) + 9 - [ L(t) + 4 ] = 7 + 5 = 12 ...
- by linhshining
Sun Jun 19, 2011 4:08 am- Forum: Problem Solving
- Topic: OG Problem no 70
- Replies: 5
- Views: 3366