Jamal can run 1 mile in 5.05 minutes. If Jamal maintains this pace during
a 5-kilometer (5K) race, he expects
to break the course record of
15.25 minutes. What is the constant of proportionality?

true

step-by-step explanation:

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

pi x^2

step-by-step explanation:

pi times x squared

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!