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Rocky pays a flat rate of $5 per month plus $0.10 per minute for his long-distance phone plan. He wants his total monthly bill to be less than $20. Need Help
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Rocky pays a flat rate of $5 per month plus $0.10 per minute for

his long-distance phone plan. He wants his total monthly bill to be
less than $20.


Need Help

User Spaudanjo
by
5.0k points

1 Answer

5 votes
For his total monthly bill to be under a twenty dollars he could make a 149 calls
20-5=15
15/.10=150
150-1=149
15-.10=14.9
14.9+5=19.9
So the maximum number of calls he can make is 149 a month
User Olivier Dadoun
by
6.7k points
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