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emhart2012
 2 years ago
A telephone company charges customers a certain amount for the first minute of a long distance call and another amount for each additional minute. A customer makes two calls to the same city—a 31minute call for $1.94 and a 13minute call for $0.86.
If there is a federal tax rate of 3.7% and a state tax rate of 7.4% on all long distance calls, find, to the nearest minute, the longest call to the same city whose cost will not exceed $9.00.
emhart2012
 2 years ago
A telephone company charges customers a certain amount for the first minute of a long distance call and another amount for each additional minute. A customer makes two calls to the same city—a 31minute call for $1.94 and a 13minute call for $0.86. If there is a federal tax rate of 3.7% and a state tax rate of 7.4% on all long distance calls, find, to the nearest minute, the longest call to the same city whose cost will not exceed $9.00.

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emhart2012
 2 years ago
Best ResponseYou've already chosen the best response.0for the first half of the problem i got .14 for the cost of the first minute and then .06 for the additional minutes.. i need help solving the last question about the federal tax

xon1300
 2 years ago
Best ResponseYou've already chosen the best response.2I'd say add the taxes together 3.7+7.4 = 11.1% then the equation becomes y = (11.1/100)*( 0.14 + 0.6(m1) ) does that work?

emhart2012
 2 years ago
Best ResponseYou've already chosen the best response.0am i soppose to solve for m? or y?

emhart2012
 2 years ago
Best ResponseYou've already chosen the best response.0im confused and its .06

xon1300
 2 years ago
Best ResponseYou've already chosen the best response.2you solve for m (mintute) given that y (money) equals $9

geoffb
 2 years ago
Best ResponseYou've already chosen the best response.0@xon1300 In your formula, \(y\) would only be the tax. It wouldn't include the cost of the call.

xon1300
 2 years ago
Best ResponseYou've already chosen the best response.2so \[y = (111.1/100)*( 0.14 + 0.06(m1) )\] when y=9 m= what?

geoffb
 2 years ago
Best ResponseYou've already chosen the best response.0There, that one's better. :)

xon1300
 2 years ago
Best ResponseYou've already chosen the best response.2hard to count ones, they marge together, lol

emhart2012
 2 years ago
Best ResponseYou've already chosen the best response.0Thank you so much!! thats the same thing i did and thats why i couldn't figure it out i hade 11.1
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