The Weiss family went out to lunch. • The meal cost $41.32. • The sales tax was 6% of the cost of the meal. • The tip was 20% of the meal and sales tax. • There are 4 people in the Weiss family. How much did the meal cost per person, including sales tax and tip?

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