If to read and understand the condition literally as it is written, then it is self-contradictory and incorrect.


Indeed,  .  is not  17.67 dollars.


I understand that there is "a hidden part of the condition" related to the fixed monthly fee.


But in formulation of a Math problem/problems should not be "hidden conditions".  Math problems are not puzzles.


Therefore, in my view, such a formulation does not have a right to exist.

Fixed cost = 12.28, so 44 minutes cost:  

RELATED QUESTIONS





Suppose that the monthly cost of a long-distance phone plan (in dollars) is a... (answered by rothauserc)

Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear... (answered by stanbon)

Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear... (answered by ankor@dixie-net.com)

Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear... (answered by Boreal)

Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear... (answered by ikleyn)

Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear... (answered by josmiceli)

 The monthly cost (in dollars) of a long-distance phone plan is a linear function of the... (answered by stanbon)

The monthly cost (in dollars) of a long-distance phone plan is a linear function of the... (answered by stanbon,Mathtut)

The monthly cost (in dollars) of a long-distance phone plan is a linear function of the... (answered by jojo14344)