OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Try It 12 · Algebra · Rational expressions
Use Direct and Inverse Variation · Try It 12
The time required to empty a pool varies inversely as the rate of pumping. It took Lucy 2.5 hours to empty her pool using a pump that was rated at 400 gpm (gallons per minute).
ⓐ Write the equation of variation.
ⓑ How long will it take her to empty the pool using a pump rated at 500 gpm?
OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Try It 12
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