3. Ray opened a savings account 10 years ago. He originally deposited $2,200 into the
account and now has a total of $2,406.21.
What is the interest rate Ray received if the
interest is compounded annually?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters