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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.
 one year ago
 one year 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.
 one year ago
 one year ago

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emhart2012Best ResponseYou've already chosen the best response.0
for 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
 one year ago

xon1300Best ResponseYou've already chosen the best response.2
I'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?
 one year ago

emhart2012Best ResponseYou've already chosen the best response.0
am i soppose to solve for m? or y?
 one year ago

emhart2012Best ResponseYou've already chosen the best response.0
im confused and its .06
 one year ago

xon1300Best ResponseYou've already chosen the best response.2
you solve for m (mintute) given that y (money) equals $9
 one year ago

geoffbBest 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.
 one year ago

xon1300Best ResponseYou've already chosen the best response.2
so \[y = (111.1/100)*( 0.14 + 0.06(m1) )\] when y=9 m= what?
 one year ago

geoffbBest ResponseYou've already chosen the best response.0
There, that one's better. :)
 one year ago

xon1300Best ResponseYou've already chosen the best response.2
hard to count ones, they marge together, lol
 one year ago

emhart2012Best ResponseYou've already chosen the best response.0
Thank you so much!! thats the same thing i did and thats why i couldn't figure it out i hade 11.1
 one year ago
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