Subtraction is the process of taking one quantity away from another, or finding the difference
total
product

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle