Twenty pounds of a salt-water solution contains fifteen percent salt. How much water must be added to weaken the solution to twelve percent salt?

Which ones is the LCD (Least Common Denominator) out of these three number: 3, 4, and 20?

5/8 X + 4 equals 3/8X + 12

If one face of the cube has an area of 25cm calculatethe total surface area

A store has 4 locations in large cities, 2 locations in suburbs, and 10 locations outside of the state. One location will be randomly selected for a visit by the owner. Drag and drop the correct value into the box to complete the statement.

Is it easy or difficult to keep all of your expenses and savings within the specified amount?

One month Boris rented 2 movies and 5 video games for a total of $33. The next month he rented 8 movies and 3 video games for a total of $30. Find the rental cost of each movie and you each video game.

When the cost of a car is multiplied by 0.05 the result is $1720. find the cost of the car.?

Is this correct? 11y+8 = 130 -8 - 8 11y = 122 :11 : 11 Y = 11.091

Order these numbers from least to greatest. - 193, - 38, 6.23, - 6.5

A teacher has 15 weeks in which to teach six chapters. Write and then solve an equation, showing all work, that represents the number of lessons the teacher must teach per week if there is an average of 8.5 lessons per chapter.