## Algebra and Trigonometry 10th Edition

$h(t) = \frac{p(t)}{n(t)}= \frac{d(t) + c(t)}{n(t)}$
p(t)=d(t) + c(t) $h(t) = \frac{p(t)}{n(t)}= \frac{d(t) + c(t)}{n(t)}$ h(t) represents the number of cats and dogs per capita (per person in the year t+2000).