Answered: R varies directly as P and inversely as…

R varies directly as P and inversely as the square of T. If R = 30 when P = 40 and T = 2, a) Find the constant of variation. b) Find R when P = 50 and T = 5.

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter8: Rational Expressions And Equations

Section8.9: Use Direct And Inverse Variation

Problem 496E: If v varies directly as w and v=21 , when w=8 . find the equation that relates v and w.

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How do I answer this question?

R varies directly as P and inversely as the square of T. If R = 30 when P = 40
and T = 2,
a) Find the constant of variation.
b) Find R when P = 50 and T = 5.

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