There are 24 students in a class. 8 of the students are boys
a)
write the amount of boys in the class as a fraction in its simplest form.
b)
write the amount of girls in the class as a fraction in its simplest form.

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