Helppp please i have a testtt

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

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12

Kaley cuts half of a loaf of bread into 4 equal parts. what fraction of the whole loaf does each of the 4 parts represent?