Posted by Anonymous on Thursday, February 21, 2013 at 8:54pm.
A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?

Math  Lena, Friday, February 22, 2013 at 2:11am
Let's make a math sentence about how much the car company charges.
Flat Rate: $120 per week = $120 * W
Additional Fees: $0.12 per mile = $0.12 * M
Charge = Flat Rate + Additional Fees
Now let's plug in what we know:
$162 = $120(W) + $0.12(M)
Here's where I run into a problem. I don't know how many weeks we had this car. I know it must be below 1 week because 2 weeks would = $240 but what if the person had it for a 1/2 week or maybe 1 day. There are too many options. I'm assuming that this person had the car for 1 week:
$162 = $120(1) + $0.12(M)
$162 = $120 + $0.12(M)
$162  $120 = $0.12(M)
$42 = $0.12(M)
$42/$0.12 = M
350 = M
Therefore, we drove 350 miles.
Answer This Question
Related Questions
 math  Car rental agency A charges $50 per day plus 10 cents per mile driven. ...
 math  Car rental agency A charges $50 per day plus 10 cents per mile driven. ...
 Math  Steven is moving to another city next weekend and wants to rent a moving ...
 Math  Homework Help: Math Posted by Blob on Sunday, November 13, 2016 at 1:23pm...
 Math  A rental car agency charges $15 per day plus $.11 per mile to rent a ...
 Problem solving  A rental car agency charges $15 per day plus $.11 per mile to ...
 Problem solving  A rental car agency charges $15 per day plus $.11 per mile to ...
 Algebra  The XYZ Car Rental Agency charges a flat rate of $29 per day plus $.32...
 algebra 2  A rental car agency charges $13 per day plus 12 cents per mile to ...
 Math  Steven is moving to another city next weekend and wants to rent a moving ...
More Related Questions