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Ray's cellphone texting plan has fixed access fee plus a per text fee. One month he has 58 texts and the bill is $50.3. The next month he has 294 texts and a bill of $132.9. Ray discovers that he can change his plan to unlimited texts for $81. What is the minimum number of texts Ray must have before it makes sense to switch to the unlimited pl O 236

Ray's cellphone texting plan has fixed access fee plus a per text fee. One month he has 58 texts and the bill is $50.3. The next month he has 294 texts and a bill of $132.9. Ray discovers that he can change his plan to unlimited texts for $81. What is the minimum number of texts Ray must have before it makes sense to switch to the unlimited pl O 236

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Problem 10. Ray's cellphone texting plan has fixed access fee plus a per text fee. One month he has 58 texts and the bill is $50.3. The next month he has 294 texts and a bill of $132.9. Ray discovers that he can change his plan to unlimited texts for $81. What is the minimum number of texts Ray must have before it makes sense to switch to the unlimited plan? O 236 O 146 O 176 O 231
Transcribed Image Text:Problem 10. Ray's cellphone texting plan has fixed access fee plus a per text fee. One month he has 58 texts and the bill is $50.3. The next month he has 294 texts and a bill of $132.9. Ray discovers that he can change his plan to unlimited texts for $81. What is the minimum number of texts Ray must have before it makes sense to switch to the unlimited plan? O 236 O 146 O 176 O 231
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