Tom has taken out a college loan first month payment was $200 each month he wants to pay back 1.2 times amount paid previous month . explain how to represent first 30 payments in sigma notation

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