求问大神们，为什么不选d啊？

xyxyxy_123 · 发表于 2016-3-17 15:20:45

For telephone calls between two
particular cities, a telephone company
charges $0.40 per minute if the calls
are placed between 5:00 a.m. and 9:00
p.m. and $0.25 per minute if the calls
are placed between 9:00 p.m. and 5:00
a.m. If the charge for a call between the
two cities placed at 1:00 p.m. was
$10.00, how much would a call of the
same duration have cost if it had been
placed at 11:00 p.m.?
(A) $3.75
(B) $6.25
(C) $9.85
(D) $10.00
(E) $16.00

xyxyxy_123 · 发表于 2016-3-17 15:22:51

顶顶顶

xyxyxy_123 · 发表于 2016-3-17 15:23:05

这个问题是不是很傻啊

:dizzy::dizzy:

xyxyxy_123 · 发表于 2016-3-17 15:27:41

:'(:'(:'(:'(:'(:'(

xyxyxy_123 · 发表于 2016-3-17 15:34:35

再顶一下

huerxunjie · 发表于 2016-3-17 15:37:45

题目出错了吧

huerxunjie · 发表于 2016-3-17 15:39:35

1pm 0.4/min 10/0.4=25, 11pm 0.25/min, 25*0.25=B

xyxyxy_123 · 发表于 2016-3-17 15:46:32

答案是B 那应该是题目的问题吧

xyxyxy_123 · 发表于 2016-3-17 15:47:11

huerxunjie 发表于 2016-3-17 15:39
1pm 0.4/min 10/0.4=25, 11pm 0.25/min, 25*0.25=B

答案是B 那应该是题目的问题吧我算了好久

xyxyxy_123 · 发表于 2016-3-17 15:53:42

huerxunjie 发表于 2016-3-17 15:39
1pm 0.4/min 10/0.4=25, 11pm 0.25/min, 25*0.25=B

谢谢你啦~~~~

求问大神们，为什么不选d啊？

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