2. Uh-oh! You start your trip going 60mph, but you end up getting a flat tire. You change the flat, and now you're driving on the old spare tire, so you decide to drive the rest of the way a little more slowly, at 45mph. If the total driving to the campground took 3 hours and it was 165 miles away, how long did you travel at each speed?
2. Uh-oh! You start your trip going 60mph, but you end up getting a flat tire. You change the flat, and now you're driving on the old spare tire, so you decide to drive the rest of the way a little more slowly, at 45mph. If the total driving to the campground took 3 hours and it was 165 miles away, how long did you travel at each speed?
Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter2: Equations, Inequalities, And Problem Solving
Section2.CR: Review Problem Set
Problem 55CR
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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