What is the total cost to make 7 long distance telephone calls?
(1) The length of each call was at least 2 minutes.
(2) The rate for long distance calls is $0.32 per minute
OA E
Source: Princeton Review
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What is the total cost to make 7 long distance telephone calls?
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BTGmoderatorDC
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Form #1; cost per call not know. Not sufficient \(\Large{\color{red}\chi}\)BTGmoderatorDC wrote: ↑Sat Apr 17, 2021 8:32 pmWhat is the total cost to make 7 long distance telephone calls?
(1) The length of each call was at least 2 minutes.
(2) The rate for long distance calls is $0.32 per minute
OA E
Source: Princeton Review
From #2; duration of call not know. Not sufficient \(\Large{\color{red}\chi}\)
Combining \(1 \& 2\)
We get different values at \(t \geq 2\). Not sufficient \(\Large{\color{red}\chi}\)
Therefore, E
