Solve the following problems. See Example 2.PETS In 2007, the number of American household...

Solve the following problems. See Example 2.

PETS In 2007, the number of American households owning a cat was estimated to be 5,561,000 fewer than the number of households owning a dog. If 43,021,000 households owned a dog, how many owned a cat? (Source: U.S. Pet Ownership  Demographics Sourcebook, 2007 Edition)

Example 2