At a middle school, 30% of the
students walk to school, 1/5
ride their bikes, 12.5% are
dropped off by car, and the
remaining students ride a bus.
If there are 800 students who
attend this school, how many
students use each form of
transportation?

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