回复:帮帮我儿解决这道数学题吧,儿子愁的什么是的

来源: cala11 2007-09-19 14:30:01 [] [旧帖] [给我悄悄话] 本文已被阅读: 0 次 (234 bytes)
Total sale $$ = (8+12+12) X 2 = $70
each man should get $17.5. Since the butcher only has $1 bill. Let each man gives the butcher 50 cents first, then the butcher gives each man get $18 instead
18 x 4 - 0.5 x4 = 7- 2 = $70 total
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