Math Problem Statement

You plan to take a 1265​-mile trip in your​ car, which averages 22 miles per gallon. How many gallons of gasoline should you expect to​ use? Would a car that has only half the gas mileage require twice as much gasoline for the same​ trip? Explain. Question content area bottom Part 1 You should expect to use about

enter your response here gallons of gasoline. ​(Type an integer or a​ decimal.) Part 2 Would a car that has only half the gas mileage ​(11 miles per​ gallon) require twice as much gasoline for the same​ trip? Select the correct choice below and fill in the answer box to complete your choice.

Solution

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Math Problem Analysis

Mathematical Concepts

Unit Conversion
Ratio and Proportion
Fuel Efficiency

Formulas

Gallons of gasoline = Total miles / Miles per gallon
Comparison of fuel usage for different mileages = Gasoline required at half mileage / Gasoline required at original mileage

Theorems

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Suitable Grade Level

Grades 6-8