A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $40.50 and then an additional 6 cents per minute of use. In Plan B, the customer pays a monthly fee of $30 and then an additional 9 cents per minute of use. For what amounts of monthly phone use will Plan A cost less than Plan B? Use m for the number of minutes of phone use, and solve your inequality for m. O
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $40.50 and then an additional 6 cents per minute of use. In Plan B, the customer pays a monthly fee of $30 and then an additional 9 cents per minute of use. For what amounts of monthly phone use will Plan A cost less than Plan B? Use m for the number of minutes of phone use, and solve your inequality for m. O
Chapter3: Graphs And Functions
Section3.4: Graph Linear Inequalities In Two Variables
Problem 278E: Elena needs to earn at least $450 a week during her summer break to pay for college. She works two...
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