Dan is x years old. Angela is 3 years younger than Dan. Write down the expression, in terms of x, for Angela's age.

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?