OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Exercise 13 · Algebra · Rational expressions
Use Direct and Inverse Variation · Exercise 13
Solve.
The price of gas that Jesse purchased varies directly to how many gallons he purchased. He purchased 10 gallons of gas for $39.80.
ⓐ Write the equation that relates the price to the number of gallons.
ⓑ How much will it cost Jesse for 15 gallons of gas?
OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Exercise 13
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