SOLUTION: I have a word problem for inequalities and domain. Dani can rent a van for either $80.00 with unlimited mileage or $45 with 100 free miles and an extra charge of .40 cents for each

Question 366926: I have a word problem for inequalities and domain. Dani can rent a van for either $80.00 with unlimited mileage or $45 with 100 free miles and an extra charge of .40 cents for each mile over 100. For what number of miles traveled would the unlimited mileage plan save Dani money?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Dani can rent a van for either $80.00 with unlimited mileage or $45 with 100 free miles and an extra charge of .40 cents for each mile over 100. For what number of miles traveled would the unlimited mileage plan save Dani money?
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1st Plan: A(x) = 80
2nd Plan: B(x) = 45 + 0.40(x-100)
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Solve: A(x) < B(x)
80 < 45 + 0.4(x-100)
35 < 0.4x- 40
0.4x > 75
x > 187.5 miles
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Cheers,
Stan H.
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