Concept explainers
(a)
To Find: The fuel efficiency rate.
(a)
Answer to Problem 45E
The rate of fueling is 21 miles per gallon.
Explanation of Solution
Given:
The formula to calculate the fuel cost for one year is,
The car driven last year is 9000 miles.
The cost of per gallon $3.24 per gallon of gasoline.
The total money spent on gasoline is $1389.
Calculation:
Consider the fuel efficiency rate is
Consider formula to calculate the fuel cost for one year is,
Then, formula to calculate the fuel cost for one year is,
(b)
To Find: The fuel efficiency rate.
(b)
Answer to Problem 45E
The rate of fueling is 21 miles per gallon.
Explanation of Solution
Given:
The formula to calculate the fuel cost for one year is,
The car driven last year is 9000 miles.
The cost of per gallon $3.24 per gallon of gasoline.
The total money spent on gasoline is $1389.
Calculation:
Consider the fuel efficiency rate is
sss
Consider formula to calculate the fuel cost for one year is,
Then, formula to calculate the fuel cost for one year is,
Chapter 7 Solutions
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