Problema Solution
Savannah loves to talk on her cell phone. She has $100 in her budget to pay this month's cell phone bill. Her cell phone plan is $20 per months plus $0.12 per minute of usage. What is the maximum number of minutes she can talk this month
Answer provided by our tutors
Let 'x' represent the number of talk minutes.
20 + 0.12x <= 100
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click here to see the inequality solved for x
........
x <= 666.67
Assuming that x can only be integer we conclude that the maximum number of minutes that Savannah can talk is 666.