Tuesday

September 2, 2014

September 2, 2014

Posted by **Annie** on Tuesday, April 30, 2013 at 3:16pm.

Miles Cost

200 $80

600 $120

1000 $160

1400 $200

1800 $320

1) Describe the relationship between the cost of the rental car and the miles.

2) Write a linear equation to represent the relationship between the cost and the miles.

3) Estimate the cost of driving the rental car for 1200 miles.

4) Predict the cost of driving the rental car for 2400 miles.

5) With $500, what is the maximum number of miles that you can drive the rental car?

These questions seem so simple to me but I got them all wrong... Can someone please help me?

- Probability & Statistics -
**MathGuru**, Tuesday, April 30, 2013 at 7:11pm1)This looks like a strong positive linear relationship between the cost of the rental car and the miles (as the mileage increases, so does the cost).

2)Linear equation:

predicted y = 36 + 0.14x

x = miles

y = cost

3)Substitute 1200 for x (miles) and solve for predicted y (cost).

4)Substitute 2400 for x (miles) and solve for predicted y (cost).

5)Substitute 500 for y (cost) and solve for x (miles).

I hope this will help get you started.

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