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OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Example 3 · Algebra · Rational expressions

Use Direct and Inverse Variation · Example 3

The number of gallons of gas Eunice’s car uses varies directly with the number of miles she drives. Last week she drove 469.8 miles and used 14.5 gallons of gas.

ⓐ Write the equation that relates the number of gallons of gas used to the number of miles driven.
ⓑ How many gallons of gas would Eunice’s car use if she drove 1000 miles?

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OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Example 3

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