Ann works at a store in the mall and earns a wage of 8 dollars an hour. she earns 10 dollars an hour is she works on the weekend. last week se worked 24 hours during the week and 16 hours on the weekend. how much did ann earn last week?

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