How do you determine the constant of proportionality if r varies directly as p and r = 3 when p = 15?

1 Answer
Jim G.
Apr 1, 2018

k=1/5

Explanation:

"the initial statement is "rpropp

"to convert to an equation multiply by k the constant"
"of variation"

rArrr=kp

"to find k use the given condition"

r=3" when "p=15

r=kprArrk=r/p=3/15=1/5

Related questions
See all questions in Direct Variation
Impact of this question
2370 views around the world
You can reuse this answer
Creative Commons License