OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Exercise 10 · Algebra · Rational expressions
Use Direct and Inverse Variation · Exercise 10
Solve.
The price, P, that Eric pays for gas varies directly with the number of gallons, g, he buys. It costs him $50 to buy 20 gallons of gas.
ⓐ Write the equation that relates P and g.
ⓑ How much would 33 gallons cost Eric?
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OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Exercise 10
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