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A customer using a certain phone calling plan pays a fee of

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A customer using a certain phone calling plan pays a fee of [#permalink] New post 06 Oct 2003, 20:06
A customer using a certain phone calling plan pays a fee of $25 per month, and then receives a discount of 40% on the regular charge for all calls made to Country A. If calls to Country A are regularly charged at $1.60 per minute for the first 3 minutes, and $0.80 per minute for each minute thereafter, what is the maximum the customer could have saved
over regular prices if he was charged for 1 hour of calls made to Country A in a certain month?
a. $8.75
b. $12.00
c. $13.40
d. $17.40
e. $24.40
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 [#permalink] New post 08 Oct 2003, 11:09
HI !!
well, i think the question is not lcear.. do you have the answer?
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shubhangi

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 [#permalink] New post 08 Jan 2004, 08:41
He is charged a redular rate of $1.60 per minute
for 60 minutes it will cost $96. But if he pays a fee of $25 per month he gets a discount of 40% on the regular calls. SO the cost for him to make one hour call is 25 + 0.6 * 96 = $82.60

On the second plan he pays $1.60 for first 3 minutes and 0.8 for every minute thereafter
cost = 1.6*3+0.8*57 = 50.40

Savings withe second plan = 82.60-50.40 = 32.20
This answer is not mentioned.

Hi praetorian123
How did you get $13.40 ?

Anand.
  [#permalink] 08 Jan 2004, 08:41
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