Work the percent problem. Round all money amounts to the nearest dollar and percents to the nearest tenth, as needed. See Examples 1–3.
As of February 2011, U.S. households owned 377,410,000 pets. Of these, 78,200,000 were dogs. What percent of the pets were not dogs? (Source: American Pet Product Manufacturers Association.)

EXAMPLE 1 Applying Proportions

EXAMPLE 2 Solving Percent Equations
Solve the problem.


EXAMPLE 3 Solving Applied Percent Problems


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