Concept explainers
To Find: The correct option for amount of money that is to be spent for the gasoline returning from grandmother’s house then going to the house.
Answer to Problem 3SAP
The correct option is B
Explanation of Solution
Given:
The distanced driven by Kim is 450 miles in each of the direction to Grandmother’s house and back again.
The car gets 25 miles per gallon and its cost is
Calculation:
Consider that the total distance travelled is 450 miles.
The car mileage is 25 miles per gallon then the amount of gasoline used is,
Since, the gasoline used is $1.25 per gallon and the for the return it is $1.5 per gallon then the excess gas per gallon is,
The extra expenditure on returning home from the house is,
Thus, the correct option is B.
Chapter 3 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Additional Math Textbook Solutions
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