ethanyayger
ethanyayger
13.08.2021 • 
Mathematics

An engineer invested $10,000 in a six-month savings certificate that paid a simple annual interest rate of 12%. After six months she invested the total value of her investment in another six-month certificate. After six more months, the investment was worth $11.130. If the annual interest rate of the second certificate is r% then what is r? thank you!

Solved
Show answers

Ask an AI advisor a question