Concept explainers
a
To test: Whether the fuel economy rating of a new car is accurate.
a
Answer to Problem 27HP
Explanation of Solution
Given Information:EPA has a complex way to determine the fuel economy data for a car.
Formula used:
Calculation:
During the experiment, an adult drove car in city for
Ratings in city (CITY)
Also, the adult drove car in city for
Ratings on highway (HWY)
So, CITY
Putting these values in (i),
Also, the certified fuel economy rating received from the company was
So, the rating from the company is accurate.
b.
To calculate: The combined miles per gallon for a car with given ratings.
b.
Answer to Problem 27HP
Explanation of Solution
Given Information:
CITY
HWY
Formula used:
Calculations:
Using (i) and (ii) in (iii),
Thus,
Chapter 1 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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