Multiple ChoiceA 1010-year government bond paid 5.8%5.8\% simple interest per year. Over the 1010 years, the bond earned $4,640\$4,640 in interest. What was the principal of the bond?
Multiple ChoiceA city's population grew from 120,000120,000 to 138,000138,000 people in one year. What is the percent increase in population?