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January production of 380 parts pass rate is 95 percent pass rate in February production of 460 part

milkcore2010-04-06 08:10:26 +0000 #1

jzg22332010-04-06 08:13:24 +0000 #2
1, the first two requirements the total number of eligible goods on A = 380X95% + 460X92%

2, the number of products for two months seeking B = 380 +460

3, the passing rate C = A / BX 100%
weihongkun0002010-04-06 08:34:05 +0000 #3
380 * 95% +460 * 92%) / 380 +460

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