If a man walks for 6 miles a steady speed of 3 mph, how long will it take him

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

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense

Im so bad at fractions they are not my best math thing to work on