If you invest 10,000 is invested on Feb 10th into an account that pays 13% compounded daily. 

What date will the investment be worth $10,500? Use banker's rule.

 A estate leaves $700,000 to three children ages 11, 17, 20. 

Each child is to receive the same amount at age twenty-five.

How much each receive if fund is invested at 6.5% interest compounded quarterly.