Problema Solution
Sunny Horizon Cellular’s phone plan has a monthly fee of $10.00 and charges $0.10 for every minute used. Stephan’s bill for the month was $23.80. If the equation that models this situation is (0.10)m + 10.00 = 23.80, use inverse operations and properties of equality to find the number of minutes Stephan talked during the month.
Answer provided by our tutors
We need to solve:
(0.10)m + 10.00 = 23.80
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click here to see the equation solved for m
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m = 138 min
Stephan talked 138 minutes during the month.