Problema Solution
A rental car company charges $94 per week and $0.21 per mile or $44 per week and $0.31 per mile. How many miles per week must a customer drive to make the second option the equivalent or better choice?
Answer provided by our tutors
Let 'x' represent the miles the customer drives per week.
Since the second option is equivalent or better choice than the first we have:
44 + 0.31x <= 94 + 0.21x
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click here to see the inequality solved for x
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x <= 500 mi
The customer must drive not more than 500 miles per week to make the second option equivalent or better than the first.