Solve for rate in the following application problem. A company reports that office income last month was ​$315,400​, while advertising expenses were ​$21,447.20. What percent of last​ month's income was spent on​ advertising?
[tex]\frac{21447.20}{315400}[/tex] Â When you divide this, you get 0.068. Â This is in decimal form. Â To change to a percent move the decimal to places to the right 6.8%