Explanation:
Let c represent the number of cats
let d represent the number of dogs
4 times as many dogs as cats means there the number of cats is 4 times number of dogs
Writing this in the form of quation:
c = 4 × d
c = 4d
making d subjct of formula, we divide both sides by 4:
c/4 = d
d = 1/4 c (option
