SOLUTION: A car can be rented from Continental Rental for $80 per week plus 25 cents for each mile driven. How many miles can you travel if you can spend at most $400 for the week? Can you h

Question 101407: A car can be rented from Continental Rental for $80 per week plus 25 cents for each mile driven. How many miles can you travel if you can spend at most $400 for the week? Can you help me figure this out? thanks
Found 2 solutions by stanbon, bucky:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A car can be rented from Continental Rental for $80 per week plus 25 cents for each mile driven. How many miles can you travel if you can spend at most $400 for the week?
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Let # of miles driven be "x".
INEQUALITY:
0.25x + 80 <= 400
0.25x <= 320
x <= 1280 miles (miles driven)
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Cheers,
Stan H.
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
If you pay $80 to rent the car, then you have $320 left to pay for the miles you are going to drive.
(That amount comes from $400 - $80 = $320).
.
At 25 cents per mile, you can drive 4 miles for each dollar you spend on mileage. (That comes
from miles per dollar)
.
And since you have 320 dollars to spend on mileage, at the rate of 4 miles per dollar you
can drive 320 * 4 = 1280 miles during the week.
.
Hope this helps you to see how you can think your way through problems such as this rather
than trying to develop and equation that you plug numbers into.
.

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