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工作学习 / English / 一道数学题,好象很简单,就是没想明白At a certain diner, a hamburger and coleslaw cost $3.59, and a hamburger and french fries cost $4.40. If french fries cost twice as much as coleslaw, how much do french fries cost?
-fly_eagle(Always busy);
2004-3-7
{180}
(#1634596@0)
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hamburger:2.78,coleslaw:0.81 and french fries:1.62.
-looker(looker);
2004-3-7
(#1634600@0)
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(4.4-3.59) * 2 = 1.62 对不对？
-camryv6(CamryV6);
2004-3-7
(#1634602@0)
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和我算的一样,可是答案是0.90
-fly_eagle(Always busy);
2004-3-7
(#1634621@0)
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hahaha, 如果a hamburger and french fries cost $4.04， instead of 4.40就得出0.90的答案了。
-whom(别拿俺们村长不当干部);
2004-3-7
(#1634625@0)