## Basic College Mathematics (9th Edition)

The ratio of cats to dogs at the animal shelter is 3 to 5. If there are 45 dogs, how many cats are there? Let's assume the required no of cats are x. Now, we will write the proportion for the given details $\frac{3 cats}{5 doga} = \frac{x cats}{45 doga}$ so. $3\times45= 5\times x$ (Same units cancelled) Now divide both sides by 5. $\frac{135}{5} = \frac{5x}{5}$ $x = 27$ There are 27 cats in the animal shelter.