Question

The time (t) it takes to clean an office building is directly related to the number of people (p) working. Which of the following equations can be used to find the constant of variation (k)?
k/t= p
p/k= t
p/t = k
t/k= k

Answer 1

Answer:

The time (t) it takes to clean an office building is directly related to the number of people (p) working.

t is proportional to p

$t = kp \\ \boxed{\red{\frac{t}{p} = k}}$