Abdul can type 23 words per minute. 1.if he has 45 minutes before his next class, how many words will he be able to type in that much time?
2. How long will it take him to type a 500-word essay for his English teacher?

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