SOLUTION: The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 39
minutes of calls is $12.33
Algebra.Com
Question 1144183: The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 39
minutes of calls is $12.33
and the monthly cost for 66
minutes is $15.57
. What is the monthly cost for 65
minutes of calls?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
(x,y):
(39,12.33) & (66,15.57)
.
.
!
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